220453725625 has 45 divisors (see below), whose sum is σ = 320574618441. Its totient is φ = 151111926000.

The previous prime is 220453725607. The next prime is 220453725671. The reversal of 220453725625 is 526527354022.

The square root of 220453725625 is 469525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17283572089 + 203170153536 = 131467^2 + 450744^2 .

It is not a de Polignac number, because 220453725625 - 2¹⁹ = 220453201337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 82165534 + ... + 82168216.

Almost surely, 2^220453725625 is an apocalyptic number.

220453725625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220453725625 is the 469525-th square number.

220453725625 is the 234763-rd centered octagonal number.

It is an amenable number.

220453725625 is a deficient number, since it is larger than the sum of its proper divisors (100120892816).

220453725625 is an frugal number, since it uses more digits than its factorization.

220453725625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 43.

The spelling of 220453725625 in words is "two hundred twenty billion, four hundred fifty-three million, seven hundred twenty-five thousand, six hundred twenty-five".