422150520 has 64 divisors (see below), whose sum is σ = 1381587840. Its totient is φ = 102339200.

The previous prime is 422150503. The next prime is 422150527. The reversal of 422150520 is 25051224.

It is a happy number.

It is a super-2 number, since 2×422150520² = 356422123072540800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422150527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158586 + ... + 161225.

It is an arithmetic number, because the mean of its divisors is an integer number (21587310).

Almost surely, 2^422150520 is an apocalyptic number.

422150520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422150520 is an abundant number, since it is smaller than the sum of its proper divisors (959437320).

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

422150520 is a wasteful number, since it uses less digits than its factorization.

422150520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319836 (or 319832 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 422150520 is about 20546.3018570253. The cubic root of 422150520 is about 750.1632355807.

The spelling of 422150520 in words is "four hundred twenty-two million, one hundred fifty thousand, five hundred twenty".