2874172225 has 12 divisors (see below), whose sum is σ = 3564639036. Its totient is φ = 2298908480.

The previous prime is 2874172211. The next prime is 2874172271. The reversal of 2874172225 is 5222714782.

It can be written as a sum of positive squares in 6 ways, for example, as 1056770064 + 1817402161 = 32508^2 + 42631^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2874172225 is a prime.

It is a super-2 number, since 2×2874172225² = 16521731957922901250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250719 + ... + 261931.

It is an arithmetic number, because the mean of its divisors is an integer number (297053253).

Almost surely, 2^2874172225 is an apocalyptic number.

2874172225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2874172225 is a deficient number, since it is larger than the sum of its proper divisors (690466811).

2874172225 is a wasteful number, since it uses less digits than its factorization.

2874172225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21476 (or 21471 counting only the distinct ones).

The product of its digits is 125440, while the sum is 40.

The square root of 2874172225 is about 53611.3068764417. The cubic root of 2874172225 is about 1421.7970083052.

The spelling of 2874172225 in words is "two billion, eight hundred seventy-four million, one hundred seventy-two thousand, two hundred twenty-five".