222825724 has 24 divisors (see below), whose sum is σ = 426566448. Its totient is φ = 101005440.

The previous prime is 222825721. The next prime is 222825767. The reversal of 222825724 is 427528222.

It is a super-2 number, since 2×222825724² = 99302606552248352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222825724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222825721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9624 + ... + 23200.

It is an arithmetic number, because the mean of its divisors is an integer number (17773602).

Almost surely, 2^222825724 is an apocalyptic number.

It is an amenable number.

222825724 is a deficient number, since it is larger than the sum of its proper divisors (203740724).

222825724 is a wasteful number, since it uses less digits than its factorization.

222825724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13965 (or 13963 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 222825724 is about 14927.3481904858. The cubic root of 222825724 is about 606.2546864129.

The spelling of 222825724 in words is "two hundred twenty-two million, eight hundred twenty-five thousand, seven hundred twenty-four".