22623115064 has 64 divisors (see below), whose sum is σ = 47919794400. Its totient is φ = 9918361600.

The previous prime is 22623115057. The next prime is 22623115069. The reversal of 22623115064 is 46051132622.

It is a self number, because there is not a number n which added to its sum of digits gives 22623115064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22623115069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2795504 + ... + 2803584.

Almost surely, 2^22623115064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22623115064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23959897200).

22623115064 is an abundant number, since it is smaller than the sum of its proper divisors (25296679336).

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

22623115064 is a wasteful number, since it uses less digits than its factorization.

22623115064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9224 (or 9220 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 22623115064 its reverse (46051132622), we get a palindrome (68674247686).

The spelling of 22623115064 in words is "twenty-two billion, six hundred twenty-three million, one hundred fifteen thousand, sixty-four".