22236263164536 has 128 divisors (see below), whose sum is σ = 59796901900800. Its totient is φ = 6872560611840.

The previous prime is 22236263164517. The next prime is 22236263164543. The reversal of 22236263164536 is 63546136263222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3470391 + ... + 7517721.

It is an arithmetic number, because the mean of its divisors is an integer number (467163296100).

Almost surely, 2^{22236263164536} 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 22236263164536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29898450950400).

22236263164536 is an abundant number, since it is smaller than the sum of its proper divisors (37560638736264).

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

22236263164536 is a wasteful number, since it uses less digits than its factorization.

22236263164536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047669 (or 4047665 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 51.

The spelling of 22236263164536 in words is "twenty-two trillion, two hundred thirty-six billion, two hundred sixty-three million, one hundred sixty-four thousand, five hundred thirty-six".