64812322 has 16 divisors (see below), whose sum is σ = 99464760. Its totient is φ = 31662592.

The previous prime is 64812283. The next prime is 64812323. The reversal of 64812322 is 22321846.

It can be written as a sum of positive squares in 4 ways, for example, as 58507201 + 6305121 = 7649^2 + 2511^2 .

It is not an unprimeable number, because it can be changed into a prime (64812323) 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, 27378 + ... + 29650.

Almost surely, 2^64812322 is an apocalyptic number.

64812322 is a deficient number, since it is larger than the sum of its proper divisors (34652438).

64812322 is a wasteful number, since it uses less digits than its factorization.

64812322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597.

The product of its digits is 4608, while the sum is 28.

The square root of 64812322 is about 8050.6100389970. The cubic root of 64812322 is about 401.6852275494.

The spelling of 64812322 in words is "sixty-four million, eight hundred twelve thousand, three hundred twenty-two".