864240022 has 4 divisors (see below), whose sum is σ = 1296360036. Its totient is φ = 432120010.

The previous prime is 864240017. The next prime is 864240029. The reversal of 864240022 is 220042468.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864240029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216060004 + ... + 216060007.

It is an arithmetic number, because the mean of its divisors is an integer number (324090009).

Almost surely, 2^864240022 is an apocalyptic number.

864240022 is a deficient number, since it is larger than the sum of its proper divisors (432120014).

864240022 is a wasteful number, since it uses less digits than its factorization.

864240022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432120013.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 864240022 is about 29397.9594870120. The cubic root of 864240022 is about 952.5288200464.

The spelling of 864240022 in words is "eight hundred sixty-four million, two hundred forty thousand, twenty-two".