222216420250 has 32 divisors (see below), whose sum is σ = 453806338752. Its totient is φ = 80805970000.

The previous prime is 222216420229. The next prime is 222216420287. The reversal of 222216420250 is 52024612222.

It is a super-2 number, since 2×222216420250² (a number of 23 digits) contains 22 as substring.

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, 40400236 + ... + 40405735.

It is an arithmetic number, because the mean of its divisors is an integer number (14181448086).

Almost surely, 2^222216420250 is an apocalyptic number.

222216420250 is an abundant number, since it is smaller than the sum of its proper divisors (231589918502).

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

222216420250 is a wasteful number, since it uses less digits than its factorization.

222216420250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80805999 (or 80805989 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 222216420250 in words is "two hundred twenty-two billion, two hundred sixteen million, four hundred twenty thousand, two hundred fifty".