64662422 has 16 divisors (see below), whose sum is σ = 106862544. Its totient is φ = 29100000.

The previous prime is 64662419. The next prime is 64662439. The reversal of 64662422 is 22426646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12329 + ... + 16772.

It is an arithmetic number, because the mean of its divisors is an integer number (6678909).

Almost surely, 2^64662422 is an apocalyptic number.

64662422 is a deficient number, since it is larger than the sum of its proper divisors (42200122).

64662422 is a wasteful number, since it uses less digits than its factorization.

64662422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29215.

The product of its digits is 27648, while the sum is 32.

The square root of 64662422 is about 8041.2947962377. The cubic root of 64662422 is about 401.3753117081.

It can be divided in two parts, 646624 and 22, that added together give a palindrome (646646).

The spelling of 64662422 in words is "sixty-four million, six hundred sixty-two thousand, four hundred twenty-two".