664022363 has 8 divisors (see below), whose sum is σ = 708451920. Its totient is φ = 620189440.

The previous prime is 664022353. The next prime is 664022467. The reversal of 664022363 is 363220466.

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

It is a cyclic number.

It is not a de Polignac number, because 664022363 - 2²⁸ = 395586907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664022353) 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, 146858 + ... + 151311.

It is an arithmetic number, because the mean of its divisors is an integer number (88556490).

Almost surely, 2^664022363 is an apocalyptic number.

664022363 is a deficient number, since it is larger than the sum of its proper divisors (44429557).

664022363 is a wasteful number, since it uses less digits than its factorization.

664022363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298317.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 664022363 is about 25768.6313761519. The cubic root of 664022363 is about 872.4239282560.

The spelling of 664022363 in words is "six hundred sixty-four million, twenty-two thousand, three hundred sixty-three".