22235551212 has 48 divisors (see below), whose sum is σ = 59304268800. Its totient is φ = 6352000512.

The previous prime is 22235551201. The next prime is 22235551223. The reversal of 22235551212 is 21215553222.

It is an interprime number because it is at equal distance from previous prime (22235551201) and next prime (22235551223).

It is a self number, because there is not a number n which added to its sum of digits gives 22235551212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625213 + ... + 659819.

It is an arithmetic number, because the mean of its divisors is an integer number (1235505600).

Almost surely, 2^22235551212 is an apocalyptic number.

It is an amenable number.

22235551212 is an abundant number, since it is smaller than the sum of its proper divisors (37068717588).

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

22235551212 is a wasteful number, since it uses less digits than its factorization.

22235551212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42270 (or 42268 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The spelling of 22235551212 in words is "twenty-two billion, two hundred thirty-five million, five hundred fifty-one thousand, two hundred twelve".