422415860 has 12 divisors (see below), whose sum is σ = 887073348. Its totient is φ = 168966336.

The previous prime is 422415839. The next prime is 422415863. The reversal of 422415860 is 68514224.

It can be written as a sum of positive squares in 2 ways, for example, as 130279396 + 292136464 = 11414^2 + 17092^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422415863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10560377 + ... + 10560416.

It is an arithmetic number, because the mean of its divisors is an integer number (73922779).

Almost surely, 2^422415860 is an apocalyptic number.

It is an amenable number.

422415860 is an abundant number, since it is smaller than the sum of its proper divisors (464657488).

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

422415860 is a wasteful number, since it uses less digits than its factorization.

422415860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21120802 (or 21120800 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 422415860 is about 20552.7579657816. The cubic root of 422415860 is about 750.3203727585.

The spelling of 422415860 in words is "four hundred twenty-two million, four hundred fifteen thousand, eight hundred sixty".