22250750189 has 4 divisors (see below), whose sum is σ = 22251912540. Its totient is φ = 22249587840.

The previous prime is 22250750177. The next prime is 22250750191. The reversal of 22250750189 is 98105705222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4122282025 + 18128468164 = 64205^2 + 134642^2 .

It is a cyclic number.

It is not a de Polignac number, because 22250750189 - 2²⁴ = 22233972973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250750129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 551972 + ... + 590909.

It is an arithmetic number, because the mean of its divisors is an integer number (5562978135).

Almost surely, 2^22250750189 is an apocalyptic number.

It is an amenable number.

22250750189 is a deficient number, since it is larger than the sum of its proper divisors (1162351).

22250750189 is a wasteful number, since it uses less digits than its factorization.

22250750189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162350.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 22250750189 in words is "twenty-two billion, two hundred fifty million, seven hundred fifty thousand, one hundred eighty-nine".