22071563412 has 24 divisors (see below), whose sum is σ = 51533140512. Its totient is φ = 7352498400.

The previous prime is 22071563399. The next prime is 22071563413. The reversal of 22071563412 is 21436517022.

It is a super-2 number, since 2×22071563412² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22071563413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566539 + ... + 604242.

It is an arithmetic number, because the mean of its divisors is an integer number (2147214188).

Almost surely, 2^22071563412 is an apocalyptic number.

It is an amenable number.

22071563412 is an abundant number, since it is smaller than the sum of its proper divisors (29461577100).

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

22071563412 is a wasteful number, since it uses less digits than its factorization.

22071563412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172359 (or 1172357 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 22071563412 in words is "twenty-two billion, seventy-one million, five hundred sixty-three thousand, four hundred twelve".