225439750 has 64 divisors (see below), whose sum is σ = 458864640. Its totient is φ = 82620000.

The previous prime is 225439733. The next prime is 225439763. The reversal of 225439750 is 57934522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146485 + ... + 148015.

It is an arithmetic number, because the mean of its divisors is an integer number (7169760).

Almost surely, 2^225439750 is an apocalyptic number.

225439750 is an abundant number, since it is smaller than the sum of its proper divisors (233424890).

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

225439750 is a wasteful number, since it uses less digits than its factorization.

225439750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 225439750 is about 15014.6511780993. The cubic root of 225439750 is about 608.6161858882.

The spelling of 225439750 in words is "two hundred twenty-five million, four hundred thirty-nine thousand, seven hundred fifty".