864018222152 has 12 divisors (see below), whose sum is σ = 1620039096105. Its totient is φ = 432007796528.

The previous prime is 864018222127. The next prime is 864018222167. The reversal of 864018222152 is 251222810468.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 689188870276 + 174829351876 = 830174^2 + 418126^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=657274.

It is a super-2 number, since 2×864018222152² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2464778 + ... + 2793414.

Almost surely, 2^864018222152 is an apocalyptic number.

It is an amenable number.

864018222152 is a deficient number, since it is larger than the sum of its proper divisors (756020873953).

864018222152 is an frugal number, since it uses more digits than its factorization.

864018222152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657280 (or 328639 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 864018222152 in words is "eight hundred sixty-four billion, eighteen million, two hundred twenty-two thousand, one hundred fifty-two".