22400577236 has 12 divisors (see below), whose sum is σ = 39202318260. Its totient is φ = 11199914880.

The previous prime is 22400577233. The next prime is 22400577257. The reversal of 22400577236 is 63277500422.

It can be written as a sum of positive squares in 2 ways, for example, as 21356899600 + 1043677636 = 146140^2 + 32306^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22400577236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400577233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75266 + ... + 224646.

It is an arithmetic number, because the mean of its divisors is an integer number (3266859855).

Almost surely, 2^22400577236 is an apocalyptic number.

It is an amenable number.

22400577236 is a deficient number, since it is larger than the sum of its proper divisors (16801741024).

22400577236 is a wasteful number, since it uses less digits than its factorization.

22400577236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186874 (or 186872 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 22400577236 in words is "twenty-two billion, four hundred million, five hundred seventy-seven thousand, two hundred thirty-six".