224501252 has 54 divisors (see below), whose sum is σ = 440434638. Its totient is φ = 99775104.

The previous prime is 224501243. The next prime is 224501261. The reversal of 224501252 is 252105422.

It is an interprime number because it is at equal distance from previous prime (224501243) and next prime (224501261).

It can be written as a sum of positive squares in only one way, i.e., 211295296 + 13205956 = 14536^2 + 3634^2 .

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2841749 + ... + 2841827.

It is an arithmetic number, because the mean of its divisors is an integer number (8156197).

Almost surely, 2^224501252 is an apocalyptic number.

It is an amenable number.

224501252 is a deficient number, since it is larger than the sum of its proper divisors (215933386).

224501252 is a wasteful number, since it uses less digits than its factorization.

224501252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 224501252 is about 14983.3658434946. The cubic root of 224501252 is about 607.7704617432.

Adding to 224501252 its reverse (252105422), we get a palindrome (476606674).

The spelling of 224501252 in words is "two hundred twenty-four million, five hundred one thousand, two hundred fifty-two".