422487072 has 72 divisors (see below), whose sum is σ = 1373089536. Its totient is φ = 120710016.

The previous prime is 422487071. The next prime is 422487073. The reversal of 422487072 is 270784224.

It is an interprime number because it is at equal distance from previous prime (422487071) and next prime (422487073).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (422487071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102768 + ... + 106799.

It is an arithmetic number, because the mean of its divisors is an integer number (19070688).

Almost surely, 2^422487072 is an apocalyptic number.

422487072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

422487072 is an abundant number, since it is smaller than the sum of its proper divisors (950602464).

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

422487072 is a wasteful number, since it uses less digits than its factorization.

422487072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209590 (or 209579 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 422487072 is about 20554.4903123381. The cubic root of 422487072 is about 750.3625340638.

The spelling of 422487072 in words is "four hundred twenty-two million, four hundred eighty-seven thousand, seventy-two".