52270225 has 12 divisors (see below), whose sum is σ = 74074624. Its totient is φ = 35842320.

The previous prime is 52270201. The next prime is 52270261. The reversal of 52270225 is 52207225.

It is not a de Polignac number, because 52270225 - 2⁵ = 52270193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52270225.

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, 149169 + ... + 149518.

Almost surely, 2^52270225 is an apocalyptic number.

It is an amenable number.

52270225 is a deficient number, since it is larger than the sum of its proper divisors (21804399).

52270225 is a wasteful number, since it uses less digits than its factorization.

52270225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298704 (or 298699 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52270225 is about 7229.8150045489. The cubic root of 52270225 is about 373.8965488321.

Subtracting from 52270225 its sum of digits (25), we obtain a triangular number (52270200 = T₁₀₂₂₄).

The spelling of 52270225 in words is "fifty-two million, two hundred seventy thousand, two hundred twenty-five".