22207055250 has 64 divisors (see below), whose sum is σ = 55667139840. Its totient is φ = 5896419200.

The previous prime is 22207055249. The next prime is 22207055257. The reversal of 22207055250 is 5255070222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22207055257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111211 + ... + 238289.

It is an arithmetic number, because the mean of its divisors is an integer number (869799060).

Almost surely, 2^22207055250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22207055250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27833569920).

22207055250 is an abundant number, since it is smaller than the sum of its proper divisors (33460084590).

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

22207055250 is a wasteful number, since it uses less digits than its factorization.

22207055250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127332 (or 127322 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The spelling of 22207055250 in words is "twenty-two billion, two hundred seven million, fifty-five thousand, two hundred fifty".