64949922 has 24 divisors (see below), whose sum is σ = 140886876. Its totient is φ = 21625056.

The previous prime is 64949903. The next prime is 64949957. The reversal of 64949922 is 22994946.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49575681 + 15374241 = 7041^2 + 3921^2 .

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, 20808 + ... + 23724.

Almost surely, 2^64949922 is an apocalyptic number.

64949922 is an abundant number, since it is smaller than the sum of its proper divisors (75936954).

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

64949922 is a wasteful number, since it uses less digits than its factorization.

64949922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4159 counting only the distinct ones).

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

The square root of 64949922 is about 8059.1514441658. The cubic root of 64949922 is about 401.9692929690.

The spelling of 64949922 in words is "sixty-four million, nine hundred forty-nine thousand, nine hundred twenty-two".