225451024 has 20 divisors (see below), whose sum is σ = 437160636. Its totient is φ = 112635392.

The previous prime is 225451019. The next prime is 225451043. The reversal of 225451024 is 420154522.

It can be written as a sum of positive squares in 2 ways, for example, as 154554624 + 70896400 = 12432^2 + 8420^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225451024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18012 + ... + 27844.

Almost surely, 2^225451024 is an apocalyptic number.

It is an amenable number.

225451024 is a deficient number, since it is larger than the sum of its proper divisors (211709612).

225451024 is a wasteful number, since it uses less digits than its factorization.

225451024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11274 (or 11268 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 225451024 is about 15015.0266067030. The cubic root of 225451024 is about 608.6263311332.

The spelling of 225451024 in words is "two hundred twenty-five million, four hundred fifty-one thousand, twenty-four".