422287672 has 8 divisors (see below), whose sum is σ = 791789400. Its totient is φ = 211143832.

The previous prime is 422287669. The next prime is 422287681. The reversal of 422287672 is 276782224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26392972 + ... + 26392987.

It is an arithmetic number, because the mean of its divisors is an integer number (98973675).

Almost surely, 2^422287672 is an apocalyptic number.

It is an amenable number.

422287672 is a deficient number, since it is larger than the sum of its proper divisors (369501728).

422287672 is a wasteful number, since it uses less digits than its factorization.

422287672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52785965 (or 52785961 counting only the distinct ones).

The product of its digits is 150528, while the sum is 40.

The square root of 422287672 is about 20549.6392182442. The cubic root of 422287672 is about 750.2444666764.

The spelling of 422287672 in words is "four hundred twenty-two million, two hundred eighty-seven thousand, six hundred seventy-two".