64023222 has 32 divisors (see below), whose sum is σ = 131743584. Its totient is φ = 20729600.

The previous prime is 64023203. The next prime is 64023229. The reversal of 64023222 is 22232046.

It is a super-2 number, since 2×64023222² = 8197945910522568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64023229) 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, 77572 + ... + 78392.

It is an arithmetic number, because the mean of its divisors is an integer number (4116987).

Almost surely, 2^64023222 is an apocalyptic number.

64023222 is an abundant number, since it is smaller than the sum of its proper divisors (67720362).

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

64023222 is a wasteful number, since it uses less digits than its factorization.

64023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 64023222 is about 8001.4512433683. The cubic root of 64023222 is about 400.0483733165.

Adding to 64023222 its reverse (22232046), we get a palindrome (86255268).

The spelling of 64023222 in words is "sixty-four million, twenty-three thousand, two hundred twenty-two".