69452225 has 12 divisors (see below), whose sum is σ = 91187244. Its totient is φ = 52293120.

The previous prime is 69452213. The next prime is 69452231. The reversal of 69452225 is 52225496.

It can be written as a sum of positive squares in 6 ways, for example, as 1175056 + 68277169 = 1084^2 + 8263^2 .

It is not a de Polignac number, because 69452225 - 2¹⁸ = 69190081 is a prime.

It is a super-2 number, since 2×69452225² = 9647223114901250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent 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, 81284 + ... + 82133.

It is an arithmetic number, because the mean of its divisors is an integer number (7598937).

Almost surely, 2^69452225 is an apocalyptic number.

It is an amenable number.

69452225 is a deficient number, since it is larger than the sum of its proper divisors (21735019).

69452225 is a wasteful number, since it uses less digits than its factorization.

69452225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163444 (or 163439 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 69452225 is about 8333.8001535914. The cubic root of 69452225 is about 411.0506959485.

The spelling of 69452225 in words is "sixty-nine million, four hundred fifty-two thousand, two hundred twenty-five".