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22002221112 = 233792146893
BaseRepresentation
bin10100011111011011…
…110100000000111000
32002210101001122021020
4110133123310000320
5330030032033422
614035131542440
71406143536144
oct243733640070
962711048236
1022002221112
119370753413
1243205baa20
1320c844bc61
1410ca19c224
1588b91b95c
hex51f6f4038

22002221112 has 48 divisors (see below), whose sum is σ = 55711018440. Its totient is φ = 7241188032.

The previous prime is 22002221093. The next prime is 22002221113. The reversal of 22002221112 is 21112220022.

It is a super-2 number, since 2×220022211122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22002221091 and 22002221100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76338 + ... + 223230.

Almost surely, 222002221112 is an apocalyptic number.

It is an amenable number.

22002221112 is an abundant number, since it is smaller than the sum of its proper divisors (33708797328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002221112 is a wasteful number, since it uses less digits than its factorization.

22002221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147060 (or 146977 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22002221112 its reverse (21112220022), we get a palindrome (43114441134).

The spelling of 22002221112 in words is "twenty-two billion, two million, two hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 79 158 237 316 474 632 948 1896 6241 12482 18723 24964 37446 49928 74892 146893 149784 293786 440679 587572 881358 1175144 1762716 3525432 11604547 23209094 34813641 46418188 69627282 92836376 139254564 278509128 916759213 1833518426 2750277639 3667036852 5500555278 7334073704 11001110556 22002221112