225155692 has 6 divisors (see below), whose sum is σ = 394022468. Its totient is φ = 112577844.

The previous prime is 225155683. The next prime is 225155699. The reversal of 225155692 is 296551522.

It is not an unprimeable number, because it can be changed into a prime (225155699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28144458 + ... + 28144465.

Almost surely, 2^225155692 is an apocalyptic number.

It is an amenable number.

225155692 is a deficient number, since it is larger than the sum of its proper divisors (168866776).

225155692 is a wasteful number, since it uses less digits than its factorization.

225155692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56288927 (or 56288925 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 225155692 is about 15005.1888358661. The cubic root of 225155692 is about 608.3604561290.

The spelling of 225155692 in words is "two hundred twenty-five million, one hundred fifty-five thousand, six hundred ninety-two".