222625004 has 48 divisors (see below), whose sum is σ = 477216768. Its totient is φ = 88786368.

The previous prime is 222624989. The next prime is 222625019. The reversal of 222625004 is 400526222.

It is an interprime number because it is at equal distance from previous prime (222624989) and next prime (222625019).

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 15 ways as a sum of consecutive naturals, for example, 19157 + ... + 28499.

It is an arithmetic number, because the mean of its divisors is an integer number (9942016).

Almost surely, 2^222625004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222625004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238608384).

222625004 is an abundant number, since it is smaller than the sum of its proper divisors (254591764).

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

222625004 is a wasteful number, since it uses less digits than its factorization.

222625004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9414 (or 9412 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 222625004 is about 14920.6234454194. The cubic root of 222625004 is about 606.0725949332.

The spelling of 222625004 in words is "two hundred twenty-two million, six hundred twenty-five thousand, four".