64223022 has 16 divisors (see below), whose sum is σ = 128937600. Its totient is φ = 21325752.

The previous prime is 64223017. The next prime is 64223053. The reversal of 64223022 is 22032246.

It is a self number, because there is not a number n which added to its sum of digits gives 64223022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18772 + ... + 21927.

It is an arithmetic number, because the mean of its divisors is an integer number (8058600).

Almost surely, 2^64223022 is an apocalyptic number.

64223022 is an abundant number, since it is smaller than the sum of its proper divisors (64714578).

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

64223022 is a wasteful number, since it uses less digits than its factorization.

64223022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40967.

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

The square root of 64223022 is about 8013.9267528472. The cubic root of 64223022 is about 400.4640905084.

Adding to 64223022 its reverse (22032246), we get a palindrome (86255268).

The spelling of 64223022 in words is "sixty-four million, two hundred twenty-three thousand, twenty-two".