2202564636 has 144 divisors (see below), whose sum is σ = 5931744000. Its totient is φ = 714396672.

The previous prime is 2202564629. The next prime is 2202564641. The reversal of 2202564636 is 6364652022.

2202564636 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 5 + 646 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2202564636.

It is a congruent number.

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, 11068065 + ... + 11068263.

Almost surely, 2^2202564636 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 2202564636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965872000).

2202564636 is an abundant number, since it is smaller than the sum of its proper divisors (3729179364).

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

2202564636 is a wasteful number, since it uses less digits than its factorization.

2202564636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 2202564636 is about 46931.4887468957. The cubic root of 2202564636 is about 1301.0966359961.

The spelling of 2202564636 in words is "two billion, two hundred two million, five hundred sixty-four thousand, six hundred thirty-six".