224551172 has 6 divisors (see below), whose sum is σ = 392964558. Its totient is φ = 112275584.

The previous prime is 224551123. The next prime is 224551189. The reversal of 224551172 is 271155422.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 160934596 + 63616576 = 12686^2 + 7976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28068893 + ... + 28068900.

It is an arithmetic number, because the mean of its divisors is an integer number (65494093).

Almost surely, 2^224551172 is an apocalyptic number.

It is an amenable number.

224551172 is a deficient number, since it is larger than the sum of its proper divisors (168413386).

224551172 is a wasteful number, since it uses less digits than its factorization.

224551172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56137797 (or 56137795 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 224551172 is about 14985.0315982316. The cubic root of 224551172 is about 607.8155062625.

The spelling of 224551172 in words is "two hundred twenty-four million, five hundred fifty-one thousand, one hundred seventy-two".