422562700 has 72 divisors (see below), whose sum is σ = 1053043712. Its totient is φ = 144175680.

The previous prime is 422562691. The next prime is 422562703. The reversal of 422562700 is 7265224.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (422562703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154747 + ... + 157453.

Almost surely, 2^422562700 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 422562700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526521856).

422562700 is an abundant number, since it is smaller than the sum of its proper divisors (630481012).

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

422562700 is a wasteful number, since it uses less digits than its factorization.

422562700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2944 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 422562700 is about 20556.3299253539. The cubic root of 422562700 is about 750.4073046897.

The spelling of 422562700 in words is "four hundred twenty-two million, five hundred sixty-two thousand, seven hundred".