22640156533532 has 12 divisors (see below), whose sum is σ = 39620314127856. Its totient is φ = 11320066782720.

The previous prime is 22640156533523. The next prime is 22640156533537. The reversal of 22640156533532 is 23533565104622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640156533537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2816732 + ... + 7294812.

It is an arithmetic number, because the mean of its divisors is an integer number (3301692843988).

Almost surely, 2^{22640156533532} is an apocalyptic number.

It is an amenable number.

22640156533532 is a deficient number, since it is larger than the sum of its proper divisors (16980157594324).

22640156533532 is a wasteful number, since it uses less digits than its factorization.

22640156533532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742028 (or 5742026 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 22640156533532 in words is "twenty-two trillion, six hundred forty billion, one hundred fifty-six million, five hundred thirty-three thousand, five hundred thirty-two".