2223632704225 has 9 divisors (see below), whose sum is σ = 2757313798617. Its totient is φ = 1778900198640.

The previous prime is 2223632704217. The next prime is 2223632704261. The reversal of 2223632704225 is 5224072363222.

The square root of 2223632704225 is 1491185.

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

It can be written as a sum of positive squares in 4 ways, for example, as 715609407969 + 1508023296256 = 845937^2 + 1228016^2 .

It is not a de Polignac number, because 2223632704225 - 2³ = 2223632704217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7306807 + ... + 7605043.

Almost surely, 2^{2223632704225} is an apocalyptic number.

2223632704225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2223632704225 is the 1491185-th square number.

2223632704225 is the 745593-rd centered octagonal number.

It is an amenable number.

2223632704225 is a deficient number, since it is larger than the sum of its proper divisors (533681094392).

2223632704225 is an frugal number, since it uses more digits than its factorization.

2223632704225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596484 (or 298242 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 40.

The spelling of 2223632704225 in words is "two trillion, two hundred twenty-three billion, six hundred thirty-two million, seven hundred four thousand, two hundred twenty-five".