64222576 has 80 divisors (see below), whose sum is σ = 142848000. Its totient is φ = 27705600.

The previous prime is 64222573. The next prime is 64222579. The reversal of 64222576 is 67522246.

It is an interprime number because it is at equal distance from previous prime (64222573) and next prime (64222579).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64222573) 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, 430950 + ... + 431098.

It is an arithmetic number, because the mean of its divisors is an integer number (1785600).

Almost surely, 2^64222576 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64222576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71424000).

64222576 is an abundant number, since it is smaller than the sum of its proper divisors (78625424).

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

64222576 is a wasteful number, since it uses less digits than its factorization.

64222576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 64222576 is about 8013.8989262406. The cubic root of 64222576 is about 400.4631634920.

It can be divided in two parts, 6422 and 2576, that added together give a palindrome (8998).

The spelling of 64222576 in words is "sixty-four million, two hundred twenty-two thousand, five hundred seventy-six".