2201537802564 has 297 divisors, whose sum is σ = 6001030047999. Its totient is φ = 706684260240.

The previous prime is 2201537802553. The next prime is 2201537802683. The reversal of 2201537802564 is 4652087351022.

The square root of 2201537802564 is 1483758.

It is a perfect power (a square), and thus also a powerful number.

2201537802564 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 5 + 3 + 7 + 80 + 2 + 564 = 666.

It is a super-2 number, since 2×2201537802564² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 98 ways as a sum of consecutive naturals, for example, 31007574649 + ... + 31007574719.

Almost surely, 2^{2201537802564} is an apocalyptic number.

2201537802564 is the 1483758-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201537802564

2201537802564 is an abundant number, since it is smaller than the sum of its proper divisors (3799492245435).

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

2201537802564 is an frugal number, since it uses more digits than its factorization.

2201537802564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 2201537802564 in words is "two trillion, two hundred one billion, five hundred thirty-seven million, eight hundred two thousand, five hundred sixty-four".