223625424 has 120 divisors (see below), whose sum is σ = 641868640. Its totient is φ = 67034880.

The previous prime is 223625419. The next prime is 223625443. The reversal of 223625424 is 424526322.

It is a junction number, because it is equal to n+sod(n) for n = 223625391 and 223625400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807174 + ... + 807450.

Almost surely, 2^223625424 is an apocalyptic number.

223625424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223625424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320934320).

223625424 is an abundant number, since it is smaller than the sum of its proper divisors (418243216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223625424 is a wasteful number, since it uses less digits than its factorization.

223625424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 432 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 223625424 is about 14954.1106054489. The cubic root of 223625424 is about 606.9790836754.

The spelling of 223625424 in words is "two hundred twenty-three million, six hundred twenty-five thousand, four hundred twenty-four".