22217150250 has 96 divisors (see below), whose sum is σ = 60836106240. Its totient is φ = 5849532000.

The previous prime is 22217150231. The next prime is 22217150269. The reversal of 22217150250 is 5205171222.

22217150250 is a `hidden beast` number, since 22 + 21 + 71 + 502 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (22217150231) and next prime (22217150269).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115255 + ... + 240245.

It is an arithmetic number, because the mean of its divisors is an integer number (633709440).

Almost surely, 2^22217150250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22217150250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30418053120).

22217150250 is an abundant number, since it is smaller than the sum of its proper divisors (38618955990).

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

22217150250 is a wasteful number, since it uses less digits than its factorization.

22217150250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125093 (or 125080 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 22217150250 in words is "twenty-two billion, two hundred seventeen million, one hundred fifty thousand, two hundred fifty".