64494322 has 32 divisors (see below), whose sum is σ = 107205120. Its totient is φ = 28978560.

The previous prime is 64494317. The next prime is 64494329. The reversal of 64494322 is 22349446.

It is not an unprimeable number, because it can be changed into a prime (64494329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61918 + ... + 62950.

It is an arithmetic number, because the mean of its divisors is an integer number (3350160).

Almost surely, 2^64494322 is an apocalyptic number.

64494322 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

64494322 is a deficient number, since it is larger than the sum of its proper divisors (42710798).

64494322 is a wasteful number, since it uses less digits than its factorization.

64494322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its digits is 41472, while the sum is 34.

The square root of 64494322 is about 8030.8356974850. The cubic root of 64494322 is about 401.0271974057.

The spelling of 64494322 in words is "sixty-four million, four hundred ninety-four thousand, three hundred twenty-two".