213999022216 has 48 divisors (see below), whose sum is σ = 467005230540. Its totient is φ = 91665302400.

The previous prime is 213999022201. The next prime is 213999022267. The reversal of 213999022216 is 612220999312.

It can be written as a sum of positive squares in 2 ways, for example, as 172761597316 + 41237424900 = 415646^2 + 203070^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601606 + ... + 888778.

Almost surely, 2^213999022216 is an apocalyptic number.

It is an amenable number.

213999022216 is an abundant number, since it is smaller than the sum of its proper divisors (253006208324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213999022216 is a wasteful number, since it uses less digits than its factorization.

213999022216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289094 (or 289083 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 213999022216 in words is "two hundred thirteen billion, nine hundred ninety-nine million, twenty-two thousand, two hundred sixteen".