225739288 has 16 divisors (see below), whose sum is σ = 424152000. Its totient is φ = 112632096.

The previous prime is 225739279. The next prime is 225739307. The reversal of 225739288 is 882937522.

It is a super-2 number, since 2×225739288² = 101916452293493888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25623 + ... + 33286.

It is an arithmetic number, because the mean of its divisors is an integer number (26509500).

Almost surely, 2^225739288 is an apocalyptic number.

It is an amenable number.

225739288 is a deficient number, since it is larger than the sum of its proper divisors (198412712).

225739288 is a wasteful number, since it uses less digits than its factorization.

225739288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59394 (or 59390 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 225739288 is about 15024.6227240487. The cubic root of 225739288 is about 608.8856192857.

The spelling of 225739288 in words is "two hundred twenty-five million, seven hundred thirty-nine thousand, two hundred eighty-eight".