64994922 has 24 divisors (see below), whose sum is σ = 144258660. Its totient is φ = 21136320.

The previous prime is 64994921. The next prime is 64994929. The reversal of 64994922 is 22949946.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64304361 + 690561 = 8019^2 + 831^2 .

It is not an unprimeable number, because it can be changed into a prime (64994921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43297 + ... + 44772.

Almost surely, 2^64994922 is an apocalyptic number.

64994922 is an abundant number, since it is smaller than the sum of its proper divisors (79263738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64994922 is a wasteful number, since it uses less digits than its factorization.

64994922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88118 (or 88115 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 64994922 is about 8061.9428179565. The cubic root of 64994922 is about 402.0621052040.

The spelling of 64994922 in words is "sixty-four million, nine hundred ninety-four thousand, nine hundred twenty-two".