422661286 has 16 divisors (see below), whose sum is σ = 652812336. Its totient is φ = 205086816.

The previous prime is 422661263. The next prime is 422661287. The reversal of 422661286 is 682166224.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422661287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22185 + ... + 36571.

It is an arithmetic number, because the mean of its divisors is an integer number (40800771).

Almost surely, 2^422661286 is an apocalyptic number.

422661286 is a deficient number, since it is larger than the sum of its proper divisors (230151050).

422661286 is a wasteful number, since it uses less digits than its factorization.

422661286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14823.

The product of its digits is 55296, while the sum is 37.

The square root of 422661286 is about 20558.7277330092. The cubic root of 422661286 is about 750.4656580828.

The spelling of 422661286 in words is "four hundred twenty-two million, six hundred sixty-one thousand, two hundred eighty-six".