22032115044 has 12 divisors (see below), whose sum is σ = 51408268464. Its totient is φ = 7344038344.

The previous prime is 22032115031. The next prime is 22032115087. The reversal of 22032115044 is 44051123022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22032115044² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918004782 + ... + 918004805.

It is an arithmetic number, because the mean of its divisors is an integer number (4284022372).

Almost surely, 2^22032115044 is an apocalyptic number.

It is an amenable number.

22032115044 is an abundant number, since it is smaller than the sum of its proper divisors (29376153420).

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

22032115044 is a wasteful number, since it uses less digits than its factorization.

22032115044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836009594 (or 1836009592 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22032115044 its reverse (44051123022), we get a palindrome (66083238066).

The spelling of 22032115044 in words is "twenty-two billion, thirty-two million, one hundred fifteen thousand, forty-four".