224423925 has 24 divisors (see below), whose sum is σ = 404780640. Its totient is φ = 108811200.

The previous prime is 224423921. The next prime is 224423951. The reversal of 224423925 is 529324422.

It is not a de Polignac number, because 224423925 - 2² = 224423921 is a prime.

It is a super-2 number, since 2×224423925² = 100732196224811250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224423921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135190 + ... + 136839.

It is an arithmetic number, because the mean of its divisors is an integer number (16865860).

Almost surely, 2^224423925 is an apocalyptic number.

224423925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224423925 is a deficient number, since it is larger than the sum of its proper divisors (180356715).

224423925 is a wasteful number, since it uses less digits than its factorization.

224423925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272053 (or 272048 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 224423925 is about 14980.7851930398. The cubic root of 224423925 is about 607.7006737680.

The spelling of 224423925 in words is "two hundred twenty-four million, four hundred twenty-three thousand, nine hundred twenty-five".