22051457200 has 60 divisors (see below), whose sum is σ = 52996228560. Its totient is φ = 8817652480.

The previous prime is 22051457189. The next prime is 22051457237. The reversal of 22051457200 is 275415022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1511541 + ... + 1526059.

It is an arithmetic number, because the mean of its divisors is an integer number (883270476).

Almost surely, 2^22051457200 is an apocalyptic number.

22051457200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22051457200 is an abundant number, since it is smaller than the sum of its proper divisors (30944771360).

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

22051457200 is a wasteful number, since it uses less digits than its factorization.

22051457200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18334 (or 18323 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The spelling of 22051457200 in words is "twenty-two billion, fifty-one million, four hundred fifty-seven thousand, two hundred".