22200222022100 has 18 divisors (see below), whose sum is σ = 48174481788174. Its totient is φ = 8880088808800.

The previous prime is 22200222022063. The next prime is 22200222022127. The reversal of 22200222022100 is 122022200222.

It can be written as a sum of positive squares in 3 ways, for example, as 13729277584 + 22186492744516 = 117172^2 + 4710254^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111001110011 + ... + 111001110210.

It is an arithmetic number, because the mean of its divisors is an integer number (2676360099343).

Almost surely, 2^{22200222022100} is an apocalyptic number.

22200222022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200222022100 is an abundant number, since it is smaller than the sum of its proper divisors (25974259766074).

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

22200222022100 is a wasteful number, since it uses less digits than its factorization.

22200222022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222002220235 (or 222002220228 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22200222022100 its reverse (122022200222), we get a palindrome (22322244222322).

The spelling of 22200222022100 in words is "twenty-two trillion, two hundred billion, two hundred twenty-two million, twenty-two thousand, one hundred".