22221342231020 has 48 divisors (see below), whose sum is σ = 48288446892000. Its totient is φ = 8579458460160.

The previous prime is 22221342231017. The next prime is 22221342231059. The reversal of 22221342231020 is 2013224312222.

It is a super-2 number, since 2×22221342231020² (a number of 27 digits) contains 22 as substring.

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, 3818945 + ... + 7682904.

It is an arithmetic number, because the mean of its divisors is an integer number (1006009310250).

Almost surely, 2^{22221342231020} is an apocalyptic number.

22221342231020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221342231020 is an abundant number, since it is smaller than the sum of its proper divisors (26067104660980).

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

22221342231020 is a wasteful number, since it uses less digits than its factorization.

22221342231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505218 (or 11505216 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 22221342231020 its reverse (2013224312222), we get a palindrome (24234566543242).

The spelling of 22221342231020 in words is "twenty-two trillion, two hundred twenty-one billion, three hundred forty-two million, two hundred thirty-one thousand, twenty".