64474922 has 4 divisors (see below), whose sum is σ = 96712386. Its totient is φ = 32237460.

The previous prime is 64474913. The next prime is 64474937. The reversal of 64474922 is 22947446.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60668521 + 3806401 = 7789^2 + 1951^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16118729 + ... + 16118732.

Almost surely, 2^64474922 is an apocalyptic number.

64474922 is a deficient number, since it is larger than the sum of its proper divisors (32237464).

64474922 is a wasteful number, since it uses less digits than its factorization.

64474922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32237463.

The product of its digits is 96768, while the sum is 38.

The square root of 64474922 is about 8029.6277622316. The cubic root of 64474922 is about 400.9869834893.

The spelling of 64474922 in words is "sixty-four million, four hundred seventy-four thousand, nine hundred twenty-two".