3550372225 has 27 divisors (see below), whose sum is σ = 4683344251. Its totient is φ = 2669408000.

The previous prime is 3550372211. The next prime is 3550372229. The reversal of 3550372225 is 5222730553.

The square root of 3550372225 is 59585.

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

It can be written as a sum of positive squares in 13 ways, for example, as 178944129 + 3371428096 = 13377^2 + 58064^2 .

It is not a de Polignac number, because 3550372225 - 2⁷ = 3550372097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3550372229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5064375 + ... + 5065075.

Almost surely, 2^3550372225 is an apocalyptic number.

3550372225 is the 59585-th square number.

3550372225 is the 29793-rd centered octagonal number.

It is an amenable number.

3550372225 is a deficient number, since it is larger than the sum of its proper divisors (1132972026).

3550372225 is an frugal number, since it uses more digits than its factorization.

3550372225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 34.

The cubic root of 3550372225 is about 1525.5436169973.

The spelling of 3550372225 in words is "three billion, five hundred fifty million, three hundred seventy-two thousand, two hundred twenty-five".