225439092 has 24 divisors (see below), whose sum is σ = 584472000. Its totient is φ = 75146328.

The previous prime is 225439073. The next prime is 225439147. The reversal of 225439092 is 290934522.

225439092 is a `hidden beast` number, since 22 + 543 + 9 + 0 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043592 + ... + 1043807.

It is an arithmetic number, because the mean of its divisors is an integer number (24353000).

Almost surely, 2^225439092 is an apocalyptic number.

It is an amenable number.

225439092 is an abundant number, since it is smaller than the sum of its proper divisors (359032908).

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

225439092 is a wasteful number, since it uses less digits than its factorization.

225439092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087412 (or 2087404 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 225439092 is about 15014.6292661524. The cubic root of 225439092 is about 608.6155937568.

The spelling of 225439092 in words is "two hundred twenty-five million, four hundred thirty-nine thousand, ninety-two".