22640468202 has 96 divisors (see below), whose sum is σ = 55110481920. Its totient is φ = 6657068160.

The previous prime is 22640468197. The next prime is 22640468219. The reversal of 22640468202 is 20286404622.

22640468202 is a `hidden beast` number, since 2 + 2 + 640 + 4 + 6 + 8 + 2 + 0 + 2 = 666.

It is a super-2 number, since 2×22640468202² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2801824 + ... + 2809892.

It is an arithmetic number, because the mean of its divisors is an integer number (574067520).

Almost surely, 2^22640468202 is an apocalyptic number.

22640468202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22640468202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27555240960).

22640468202 is an abundant number, since it is smaller than the sum of its proper divisors (32470013718).

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

22640468202 is a wasteful number, since it uses less digits than its factorization.

22640468202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8508 (or 8505 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 36.

The spelling of 22640468202 in words is "twenty-two billion, six hundred forty million, four hundred sixty-eight thousand, two hundred two".