422625500 has 96 divisors (see below), whose sum is σ = 1030917888. Its totient is φ = 150024000.

The previous prime is 422625487. The next prime is 422625503. The reversal of 422625500 is 5526224.

It is a super-2 number, since 2×422625500² = 357224626500500000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422625500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422625503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235607 + ... + 237393.

It is an arithmetic number, because the mean of its divisors is an integer number (10738728).

Almost surely, 2^422625500 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 422625500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515458944).

422625500 is an abundant number, since it is smaller than the sum of its proper divisors (608292388).

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

422625500 is a wasteful number, since it uses less digits than its factorization.

422625500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 422625500 is about 20557.8573786278. The cubic root of 422625500 is about 750.4444772753. Note that the first 4 decimals are identical.

The spelling of 422625500 in words is "four hundred twenty-two million, six hundred twenty-five thousand, five hundred".