22515042212344 has 32 divisors (see below), whose sum is σ = 46055578867200. Its totient is φ = 10233647111520.

The previous prime is 22515042212329. The next prime is 22515042212359. The reversal of 22515042212344 is 44321224051522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22515042212329) and next prime (22515042212359).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3827304 + ... + 7725175.

It is an arithmetic number, because the mean of its divisors is an integer number (1439236839600).

Almost surely, 2^{22515042212344} is an apocalyptic number.

It is an amenable number.

22515042212344 is an abundant number, since it is smaller than the sum of its proper divisors (23540536654856).

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

22515042212344 is a wasteful number, since it uses less digits than its factorization.

22515042212344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574643 (or 11574639 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 22515042212344 its reverse (44321224051522), we get a palindrome (66836266263866).

The spelling of 22515042212344 in words is "twenty-two trillion, five hundred fifteen billion, forty-two million, two hundred twelve thousand, three hundred forty-four".