22331022 has 32 divisors (see below), whose sum is σ = 53263872. Its totient is φ = 6102624.

The previous prime is 22331021. The next prime is 22331027. The reversal of 22331022 is 22013322.

It is a junction number, because it is equal to n+sod(n) for n = 22330992 and 22331010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10593 + ... + 12524.

It is an arithmetic number, because the mean of its divisors is an integer number (1664496).

Almost surely, 2^22331022 is an apocalyptic number.

22331022 is an abundant number, since it is smaller than the sum of its proper divisors (30932850).

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

22331022 is a wasteful number, since it uses less digits than its factorization.

22331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23152.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22331022 is about 4725.5710766002. The cubic root of 22331022 is about 281.6023014269.

Adding to 22331022 its reverse (22013322), we get a palindrome (44344344).

The spelling of 22331022 in words is "twenty-two million, three hundred thirty-one thousand, twenty-two".