22232330021220 has 96 divisors (see below), whose sum is σ = 67912668794880. Its totient is φ = 5389417176960.

The previous prime is 22232330021203. The next prime is 22232330021221. The reversal of 22232330021220 is 2212003323222.

It is not an unprimeable number, because it can be changed into a prime (22232330021221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14408271 + ... + 15876489.

It is an arithmetic number, because the mean of its divisors is an integer number (707423633280).

Almost surely, 2^{22232330021220} is an apocalyptic number.

22232330021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22232330021220 is an abundant number, since it is smaller than the sum of its proper divisors (45680338773660).

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

22232330021220 is a wasteful number, since it uses less digits than its factorization.

22232330021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491185 (or 1491183 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22232330021220 its reverse (2212003323222), we get a palindrome (24444333344442).

The spelling of 22232330021220 in words is "twenty-two trillion, two hundred thirty-two billion, three hundred thirty million, twenty-one thousand, two hundred twenty".