224997628 has 24 divisors (see below), whose sum is σ = 407429120. Its totient is φ = 108606960.

The previous prime is 224997613. The next prime is 224997649. The reversal of 224997628 is 826799422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55453 + ... + 59371.

Almost surely, 2^224997628 is an apocalyptic number.

It is an amenable number.

224997628 is a deficient number, since it is larger than the sum of its proper divisors (182431492).

224997628 is a wasteful number, since it uses less digits than its factorization.

224997628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4417 (or 4415 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 224997628 is about 14999.9209331249. The cubic root of 224997628 is about 608.2180622190.

It can be divided in two parts, 224997 and 628, that added together give a square (225625 = 475²).

The spelling of 224997628 in words is "two hundred twenty-four million, nine hundred ninety-seven thousand, six hundred twenty-eight".