22690717434 has 576 divisors, whose sum is σ = 70270986240. Its totient is φ = 5408363520.

The previous prime is 22690717397. The next prime is 22690717451. The reversal of 22690717434 is 43471709622.

It is a self number, because there is not a number n which added to its sum of digits gives 22690717434.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 233924874 + ... + 233924970.

It is an arithmetic number, because the mean of its divisors is an integer number (121998240).

Almost surely, 2^22690717434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22690717434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35135493120).

22690717434 is an abundant number, since it is smaller than the sum of its proper divisors (47580268806).

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

22690717434 is a wasteful number, since it uses less digits than its factorization.

22690717434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 22690717434 in words is "twenty-two billion, six hundred ninety million, seven hundred seventeen thousand, four hundred thirty-four".