422154920 has 64 divisors (see below), whose sum is σ = 1090756800. Its totient is φ = 145428480.

The previous prime is 422154917. The next prime is 422154959. The reversal of 422154920 is 29451224.

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, 16889 + ... + 33608.

It is an arithmetic number, because the mean of its divisors is an integer number (17043075).

Almost surely, 2^422154920 is an apocalyptic number.

422154920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422154920 is an abundant number, since it is smaller than the sum of its proper divisors (668601880).

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

422154920 is a wasteful number, since it uses less digits than its factorization.

422154920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50538 (or 50534 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 422154920 is about 20546.4089319764. The cubic root of 422154920 is about 750.1658418445.

The spelling of 422154920 in words is "four hundred twenty-two million, one hundred fifty-four thousand, nine hundred twenty".