22056642210 has 16 divisors (see below), whose sum is σ = 52935941376. Its totient is φ = 5881771248.

The previous prime is 22056642193. The next prime is 22056642211. The reversal of 22056642210 is 1224665022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 735221407 = 22056642210 / (2 + 2 + 0 + 5 + 6 + 6 + 4 + 2 + 2 + 1 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22056642211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367610674 + ... + 367610733.

It is an arithmetic number, because the mean of its divisors is an integer number (3308496336).

Almost surely, 2^22056642210 is an apocalyptic number.

22056642210 is an abundant number, since it is smaller than the sum of its proper divisors (30879299166).

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

22056642210 is a wasteful number, since it uses less digits than its factorization.

22056642210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735221417.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 22056642210 in words is "twenty-two billion, fifty-six million, six hundred forty-two thousand, two hundred ten".