252216023899 has 16 divisors (see below), whose sum is σ = 296426321856. Its totient is φ = 210091622400.

The previous prime is 252216023821. The next prime is 252216023911. The reversal of 252216023899 is 998320612252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252216023899 - 2¹¹ = 252216021851 is a prime.

It is a super-2 number, since 2×252216023899² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252216023099) 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, 1635972 + ... + 1783489.

It is an arithmetic number, because the mean of its divisors is an integer number (18526645116).

Almost surely, 2^252216023899 is an apocalyptic number.

252216023899 is a deficient number, since it is larger than the sum of its proper divisors (44210297957).

252216023899 is a wasteful number, since it uses less digits than its factorization.

252216023899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419766.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 252216023899 in words is "two hundred fifty-two billion, two hundred sixteen million, twenty-three thousand, eight hundred ninety-nine".