22002101220 has 48 divisors (see below), whose sum is σ = 67206420288. Its totient is φ = 5333842560.

The previous prime is 22002101197. The next prime is 22002101243. The reversal of 22002101220 is 2210120022.

It is an interprime number because it is at equal distance from previous prime (22002101197) and next prime (22002101243).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22002101196 and 22002101205.

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, 16667599 + ... + 16668918.

It is an arithmetic number, because the mean of its divisors is an integer number (1400133756).

Almost surely, 2^22002101220 is an apocalyptic number.

22002101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002101220 is an abundant number, since it is smaller than the sum of its proper divisors (45204319068).

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

22002101220 is a wasteful number, since it uses less digits than its factorization.

22002101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33336540 (or 33336538 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22002101220 its reverse (2210120022), we get a palindrome (24212221242).

The spelling of 22002101220 in words is "twenty-two billion, two million, one hundred one thousand, two hundred twenty".