22105253000 has 64 divisors (see below), whose sum is σ = 54769057200. Its totient is φ = 8321971200.

The previous prime is 22105252979. The next prime is 22105253003. The reversal of 22105253000 is 35250122.

It can be written as a sum of positive squares in 8 ways, for example, as 6754538596 + 15350714404 = 82186^2 + 123898^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (22105253003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 633155 + ... + 667154.

Almost surely, 2^22105253000 is an apocalyptic number.

22105253000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22105253000 is an abundant number, since it is smaller than the sum of its proper divisors (32663804200).

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

22105253000 is a wasteful number, since it uses less digits than its factorization.

22105253000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300347 (or 1300333 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 22105253000 in words is "twenty-two billion, one hundred five million, two hundred fifty-three thousand".