22205670100 has 36 divisors (see below), whose sum is σ = 48204781884. Its totient is φ = 8878862080.

The previous prime is 22205670077. The next prime is 22205670103. The reversal of 22205670100 is 107650222.

It can be written as a sum of positive squares in 6 ways, for example, as 1262949444 + 20942720656 = 35538^2 + 144716^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205670103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228072 + ... + 310528.

It is an arithmetic number, because the mean of its divisors is an integer number (1339021719).

Almost surely, 2^22205670100 is an apocalyptic number.

22205670100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22205670100 is an abundant number, since it is smaller than the sum of its proper divisors (25999111784).

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

22205670100 is a wasteful number, since it uses less digits than its factorization.

22205670100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85164 (or 85157 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 22205670100 in words is "twenty-two billion, two hundred five million, six hundred seventy thousand, one hundred".