225649292 has 12 divisors (see below), whose sum is σ = 430785096. Its totient is φ = 102567840.

The previous prime is 225649283. The next prime is 225649327. The reversal of 225649292 is 292946522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564153 + ... + 2564240.

It is an arithmetic number, because the mean of its divisors is an integer number (35898758).

Almost surely, 2^225649292 is an apocalyptic number.

225649292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

225649292 is a deficient number, since it is larger than the sum of its proper divisors (205135804).

225649292 is a wasteful number, since it uses less digits than its factorization.

225649292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128408 (or 5128406 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 225649292 is about 15021.6274750774. The cubic root of 225649292 is about 608.8046932547.

The spelling of 225649292 in words is "two hundred twenty-five million, six hundred forty-nine thousand, two hundred ninety-two".