22890443331 has 8 divisors (see below), whose sum is σ = 34880675584. Its totient is φ = 13080253320.

The previous prime is 22890443293. The next prime is 22890443351. The reversal of 22890443331 is 13334409822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22890443331 - 2⁶ = 22890443267 is a prime.

It is a super-2 number, since 2×22890443331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22890443331.

It is not an unprimeable number, because it can be changed into a prime (22890443351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545010535 + ... + 545010576.

It is an arithmetic number, because the mean of its divisors is an integer number (4360084448).

Almost surely, 2^22890443331 is an apocalyptic number.

22890443331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22890443331 is a deficient number, since it is larger than the sum of its proper divisors (11990232253).

22890443331 is a wasteful number, since it uses less digits than its factorization.

22890443331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090021121.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 22890443331 in words is "twenty-two billion, eight hundred ninety million, four hundred forty-three thousand, three hundred thirty-one".