64220683 has 8 divisors (see below), whose sum is σ = 65772000. Its totient is φ = 62682048.

The previous prime is 64220671. The next prime is 64220699. The reversal of 64220683 is 38602246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64220683 is a prime.

It is a super-2 number, since 2×64220683² = 8248592249972978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64220633) 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, 7503 + ... + 13591.

It is an arithmetic number, because the mean of its divisors is an integer number (8221500).

Almost surely, 2^64220683 is an apocalyptic number.

64220683 is a deficient number, since it is larger than the sum of its proper divisors (1551317).

64220683 is a wasteful number, since it uses less digits than its factorization.

64220683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 64220683 is about 8013.7808180658. The cubic root of 64220683 is about 400.4592288205.

The spelling of 64220683 in words is "sixty-four million, two hundred twenty thousand, six hundred eighty-three".