422988 has 24 divisors (see below), whose sum is σ = 999600. Its totient is φ = 139200.

The previous prime is 422987. The next prime is 423001. The reversal of 422988 is 889224.

It is not an unprimeable number, because it can be changed into a prime (422987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1038 + ... + 1386.

It is an arithmetic number, because the mean of its divisors is an integer number (41650).

2⁴²²⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

422988 is an abundant number, since it is smaller than the sum of its proper divisors (576612).

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

422988 is a wasteful number, since it uses less digits than its factorization.

422988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 455 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 422988 is about 650.3752762829. The cubic root of 422988 is about 75.0658976386.

The spelling of 422988 in words is "four hundred twenty-two thousand, nine hundred eighty-eight".