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22003023222 = 234135821131
BaseRepresentation
bin10100011111011110…
…110111110101110110
32002210102120101120000
4110133132313311312
5330030233220342
614035201052130
71406153416515
oct243736676566
962712511500
1022003023222
119371151014
124320927046
1320c867008b
1410ca32a67c
1588ba2944c
hex51f7b7d76

22003023222 has 20 divisors (see below), whose sum is σ = 49303070916. Its totient is φ = 7334341020.

The previous prime is 22003023191. The next prime is 22003023247. The reversal of 22003023222 is 22232030022.

It is a super-2 number, since 2×220030232222 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22003023195 and 22003023204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67910404 + ... + 67910727.

Almost surely, 222003023222 is an apocalyptic number.

22003023222 is an abundant number, since it is smaller than the sum of its proper divisors (27300047694).

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

22003023222 is a wasteful number, since it uses less digits than its factorization.

22003023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135821145 (or 135821136 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 22003023222 its reverse (22232030022), we get a palindrome (44235053244).

The spelling of 22003023222 in words is "twenty-two billion, three million, twenty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 135821131 271642262 407463393 814926786 1222390179 2444780358 3667170537 7334341074 11001511611 22003023222