69225291 has 12 divisors (see below), whose sum is σ = 103440480. Its totient is φ = 44558640.

The previous prime is 69225283. The next prime is 69225293. The reversal of 69225291 is 19252296.

It is a happy number.

It is not a de Polignac number, because 69225291 - 2³ = 69225283 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (69225293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132355 + ... + 132876.

It is an arithmetic number, because the mean of its divisors is an integer number (8620040).

Almost surely, 2^69225291 is an apocalyptic number.

69225291 is a deficient number, since it is larger than the sum of its proper divisors (34215189).

69225291 is a wasteful number, since it uses less digits than its factorization.

69225291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265266 (or 265263 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 69225291 is about 8320.1737361668. The cubic root of 69225291 is about 410.6025069864.

The spelling of 69225291 in words is "sixty-nine million, two hundred twenty-five thousand, two hundred ninety-one".