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22220003031 = 316345439679
BaseRepresentation
bin10100101100011010…
…100101011011010111
32010100112212002220020
4110230122211123113
5331001310044111
614112511440223
71414426623642
oct245432453327
963315762806
1022220003031
119472681176
124381526073
1321315c0bb5
14110b08ca59
158a0ad9906
hex52c6a56d7

22220003031 has 8 divisors (see below), whose sum is σ = 29808430080. Its totient is φ = 14722455672.

The previous prime is 22220003027. The next prime is 22220003063. The reversal of 22220003031 is 13030002222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22220003031 - 22 = 22220003027 is a prime.

It is a super-2 number, since 2×222200030312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22220003031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220003431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22719351 + ... + 22720328.

It is an arithmetic number, because the mean of its divisors is an integer number (3726053760).

Almost surely, 222220003031 is an apocalyptic number.

22220003031 is a deficient number, since it is larger than the sum of its proper divisors (7588427049).

22220003031 is a wasteful number, since it uses less digits than its factorization.

22220003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45439845.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22220003031 its reverse (13030002222), we get a palindrome (35250005253).

The spelling of 22220003031 in words is "twenty-two billion, two hundred twenty million, three thousand, thirty-one".

Divisors: 1 3 163 489 45439679 136319037 7406667677 22220003031