22101202220 has 12 divisors (see below), whose sum is σ = 46412524704. Its totient is φ = 8840480880.

The previous prime is 22101202219. The next prime is 22101202241. The reversal of 22101202220 is 2220210122.

It is a junction number, because it is equal to n+sod(n) for n = 22101202195 and 22101202204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552530036 + ... + 552530075.

It is an arithmetic number, because the mean of its divisors is an integer number (3867710392).

Almost surely, 2^22101202220 is an apocalyptic number.

22101202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101202220 is an abundant number, since it is smaller than the sum of its proper divisors (24311322484).

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

22101202220 is a wasteful number, since it uses less digits than its factorization.

22101202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105060120 (or 1105060118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22101202220 its reverse (2220210122), we get a palindrome (24321412342).

The spelling of 22101202220 in words is "twenty-two billion, one hundred one million, two hundred two thousand, two hundred twenty".