22131002301220 has 48 divisors (see below), whose sum is σ = 46517104263168. Its totient is φ = 8844403351680.

The previous prime is 22131002301179. The next prime is 22131002301241. The reversal of 22131002301220 is 2210320013122.

It is a super-2 number, since 2×22131002301220² (a number of 27 digits) contains 22 as substring.

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, 160320349 + ... + 160458331.

It is an arithmetic number, because the mean of its divisors is an integer number (969106338816).

Almost surely, 2^{22131002301220} is an apocalyptic number.

22131002301220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131002301220 is an abundant number, since it is smaller than the sum of its proper divisors (24386101961948).

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

22131002301220 is a wasteful number, since it uses less digits than its factorization.

22131002301220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145180 (or 145178 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22131002301220 its reverse (2210320013122), we get a palindrome (24341322314342).

The spelling of 22131002301220 in words is "twenty-two trillion, one hundred thirty-one billion, two million, three hundred one thousand, two hundred twenty".