22202004220 has 48 divisors (see below), whose sum is σ = 51822475488. Its totient is φ = 7921122560.

The previous prime is 22202004193. The next prime is 22202004277. The reversal of 22202004220 is 2240020222.

It is a junction number, because it is equal to n+sod(n) for n = 22202004194 and 22202004203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 940399 + ... + 963718.

It is an arithmetic number, because the mean of its divisors is an integer number (1079634906).

Almost surely, 2^22202004220 is an apocalyptic number.

22202004220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202004220 is an abundant number, since it is smaller than the sum of its proper divisors (29620471268).

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

22202004220 is a wasteful number, since it uses less digits than its factorization.

22202004220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904190 (or 1904188 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22202004220 its reverse (2240020222), we get a palindrome (24442024442).

The spelling of 22202004220 in words is "twenty-two billion, two hundred two million, four thousand, two hundred twenty".