64311422 has 24 divisors (see below), whose sum is σ = 115842240. Its totient is φ = 26671680.

The previous prime is 64311413. The next prime is 64311431. The reversal of 64311422 is 22411346.

It is an interprime number because it is at equal distance from previous prime (64311413) and next prime (64311431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7547 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (4826760).

Almost surely, 2^64311422 is an apocalyptic number.

64311422 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64311422 is a deficient number, since it is larger than the sum of its proper divisors (51530818).

64311422 is a wasteful number, since it uses less digits than its factorization.

64311422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21216 (or 21209 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 64311422 is about 8019.4402547809. The cubic root of 64311422 is about 400.6477463289.

Adding to 64311422 its reverse (22411346), we get a palindrome (86722768).

The spelling of 64311422 in words is "sixty-four million, three hundred eleven thousand, four hundred twenty-two".