22533550212 has 24 divisors (see below), whose sum is σ = 52656427936. Its totient is φ = 7500019968.

The previous prime is 22533550163. The next prime is 22533550241. The reversal of 22533550212 is 21205533522.

It is a self number, because there is not a number n which added to its sum of digits gives 22533550212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387018 + ... + 1403169.

Almost surely, 2^22533550212 is an apocalyptic number.

It is an amenable number.

22533550212 is an abundant number, since it is smaller than the sum of its proper divisors (30122877724).

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

22533550212 is a wasteful number, since it uses less digits than its factorization.

22533550212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790867 (or 2790865 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 22533550212 in words is "twenty-two billion, five hundred thirty-three million, five hundred fifty thousand, two hundred twelve".