64914922 has 16 divisors (see below), whose sum is σ = 99380232. Its totient is φ = 31795200.

The previous prime is 64914917. The next prime is 64914923. The reversal of 64914922 is 22941946.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63856081 + 1058841 = 7991^2 + 1029^2 .

It is not an unprimeable number, because it can be changed into a prime (64914923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17938 + ... + 21250.

Almost surely, 2^64914922 is an apocalyptic number.

64914922 is a deficient number, since it is larger than the sum of its proper divisors (34465310).

64914922 is a wasteful number, since it uses less digits than its factorization.

64914922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513.

The product of its digits is 31104, while the sum is 37.

The square root of 64914922 is about 8056.9797070614. The cubic root of 64914922 is about 401.8970760326.

The spelling of 64914922 in words is "sixty-four million, nine hundred fourteen thousand, nine hundred twenty-two".