22231224233420 has 12 divisors (see below), whose sum is σ = 46685570890224. Its totient is φ = 8892489693360.

The previous prime is 22231224233411. The next prime is 22231224233443. The reversal of 22231224233420 is 2433242213222.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555780605816 + ... + 555780605855.

It is an arithmetic number, because the mean of its divisors is an integer number (3890464240852).

Almost surely, 2^{22231224233420} is an apocalyptic number.

22231224233420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231224233420 is an abundant number, since it is smaller than the sum of its proper divisors (24454346656804).

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

22231224233420 is a wasteful number, since it uses less digits than its factorization.

22231224233420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111561211680 (or 1111561211678 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 22231224233420 its reverse (2433242213222), we get a palindrome (24664466446642).

The spelling of 22231224233420 in words is "twenty-two trillion, two hundred thirty-one billion, two hundred twenty-four million, two hundred thirty-three thousand, four hundred twenty".