225665154 has 48 divisors (see below), whose sum is σ = 574426944. Its totient is φ = 63122400.

The previous prime is 225665137. The next prime is 225665171. The reversal of 225665154 is 451566522.

It is an interprime number because it is at equal distance from previous prime (225665137) and next prime (225665171).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41262 + ... + 46409.

It is an arithmetic number, because the mean of its divisors is an integer number (11967228).

Almost surely, 2^225665154 is an apocalyptic number.

225665154 is an abundant number, since it is smaller than the sum of its proper divisors (348761790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225665154 is a wasteful number, since it uses less digits than its factorization.

225665154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87703 (or 87700 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 225665154 is about 15022.1554378857. The cubic root of 225665154 is about 608.8189582139.

The spelling of 225665154 in words is "two hundred twenty-five million, six hundred sixty-five thousand, one hundred fifty-four".