22202202120 has 128 divisors (see below), whose sum is σ = 76438391040. Its totient is φ = 5053685760.

The previous prime is 22202202119. The next prime is 22202202157. The reversal of 22202202120 is 2120220222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22202202120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147604 + ... + 257276.

It is an arithmetic number, because the mean of its divisors is an integer number (597174930).

Almost surely, 2^22202202120 is an apocalyptic number.

22202202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22202202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38219195520).

22202202120 is an abundant number, since it is smaller than the sum of its proper divisors (54236188920).

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

22202202120 is a wasteful number, since it uses less digits than its factorization.

22202202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109935 (or 109931 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22202202120 its reverse (2120220222), we get a palindrome (24322422342).

The spelling of 22202202120 in words is "twenty-two billion, two hundred two million, two hundred two thousand, one hundred twenty".