64338222 has 32 divisors (see below), whose sum is σ = 144603648. Its totient is φ = 18935136.

The previous prime is 64338221. The next prime is 64338247. The reversal of 64338222 is 22283346.

It is a self number, because there is not a number n which added to its sum of digits gives 64338222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64338221) 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, 16138 + ... + 19725.

It is an arithmetic number, because the mean of its divisors is an integer number (4518864).

Almost surely, 2^64338222 is an apocalyptic number.

64338222 is an abundant number, since it is smaller than the sum of its proper divisors (80265426).

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

64338222 is a wasteful number, since it uses less digits than its factorization.

64338222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35904.

The product of its digits is 13824, while the sum is 30.

The square root of 64338222 is about 8021.1110203014. Note that the first 3 decimals coincide. The cubic root of 64338222 is about 400.7033915425.

The spelling of 64338222 in words is "sixty-four million, three hundred thirty-eight thousand, two hundred twenty-two".