274636225 has 12 divisors (see below), whose sum is σ = 341720316. Its totient is φ = 218953280.

The previous prime is 274636189. The next prime is 274636247. The reversal of 274636225 is 522636472.

It can be written as a sum of positive squares in 6 ways, for example, as 5041 + 274631184 = 71^2 + 16572^2 .

It is not a de Polignac number, because 274636225 - 2⁷ = 274636097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11422 + ... + 26071.

It is an arithmetic number, because the mean of its divisors is an integer number (28476693).

Almost surely, 2^274636225 is an apocalyptic number.

274636225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

274636225 is a deficient number, since it is larger than the sum of its proper divisors (67084091).

274636225 is a wasteful number, since it uses less digits than its factorization.

274636225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37796 (or 37791 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 274636225 is about 16572.1520931954. The cubic root of 274636225 is about 650.0088558951.

The spelling of 274636225 in words is "two hundred seventy-four million, six hundred thirty-six thousand, two hundred twenty-five".