64222004 has 24 divisors (see below), whose sum is σ = 140121408. Its totient is φ = 25021440.

The previous prime is 64222001. The next prime is 64222007. The reversal of 64222004 is 40022246.

It is an interprime number because it is at equal distance from previous prime (64222001) and next prime (64222007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64222001) 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, 103949 + ... + 104564.

It is an arithmetic number, because the mean of its divisors is an integer number (5838392).

Almost surely, 2^64222004 is an apocalyptic number.

It is an amenable number.

64222004 is an abundant number, since it is smaller than the sum of its proper divisors (75899404).

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

64222004 is a wasteful number, since it uses less digits than its factorization.

64222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208535 (or 208533 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 64222004 is about 8013.8632381642. The cubic root of 64222004 is about 400.4619745767.

The spelling of 64222004 in words is "sixty-four million, two hundred twenty-two thousand, four".