22236545405264 has 80 divisors (see below), whose sum is σ = 45630661117440. Its totient is φ = 10475411253120.

The previous prime is 22236545405257. The next prime is 22236545405297. The reversal of 22236545405264 is 46250454563222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549586667 + ... + 549627125.

It is an arithmetic number, because the mean of its divisors is an integer number (570383263968).

Almost surely, 2^{22236545405264} 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 22236545405264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22815330558720).

22236545405264 is an abundant number, since it is smaller than the sum of its proper divisors (23394115712176).

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

22236545405264 is a wasteful number, since it uses less digits than its factorization.

22236545405264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62848 (or 62842 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 50.

Adding to 22236545405264 its reverse (46250454563222), we get a palindrome (68486999968486).

The spelling of 22236545405264 in words is "twenty-two trillion, two hundred thirty-six billion, five hundred forty-five million, four hundred five thousand, two hundred sixty-four".