22201432220 has 48 divisors (see below), whose sum is σ = 51620623488. Its totient is φ = 7952746560.

The previous prime is 22201432213. The next prime is 22201432301. The reversal of 22201432220 is 2223410222.

It is a super-3 number, since 3×22201432220³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22201432192 and 22201432201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738362 + ... + 767841.

It is an arithmetic number, because the mean of its divisors is an integer number (1075429656).

Almost surely, 2^22201432220 is an apocalyptic number.

22201432220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201432220 is an abundant number, since it is smaller than the sum of its proper divisors (29419191268).

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

22201432220 is a wasteful number, since it uses less digits than its factorization.

22201432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506290 (or 1506288 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22201432220 its reverse (2223410222), we get a palindrome (24424842442).

The spelling of 22201432220 in words is "twenty-two billion, two hundred one million, four hundred thirty-two thousand, two hundred twenty".