422711512 has 8 divisors (see below), whose sum is σ = 792584100. Its totient is φ = 211355752.

The previous prime is 422711501. The next prime is 422711533. The reversal of 422711512 is 215117224.

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

It is a super-2 number, since 2×422711512² = 357370044754652288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26419462 + ... + 26419477.

Almost surely, 2^422711512 is an apocalyptic number.

It is an amenable number.

422711512 is a deficient number, since it is larger than the sum of its proper divisors (369872588).

422711512 is a wasteful number, since it uses less digits than its factorization.

422711512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52838945 (or 52838941 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 422711512 is about 20559.9492217272. The cubic root of 422711512 is about 750.4953835363.

Adding to 422711512 its reverse (215117224), we get a palindrome (637828736).

The spelling of 422711512 in words is "four hundred twenty-two million, seven hundred eleven thousand, five hundred twelve".