22431020022 has 24 divisors (see below), whose sum is σ = 51459399576. Its totient is φ = 7037182656.

The previous prime is 22431020011. The next prime is 22431020071. The reversal of 22431020022 is 22002013422.

22431020022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22431019977 and 22431020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36651688 + ... + 36652299.

It is an arithmetic number, because the mean of its divisors is an integer number (2144141649).

Almost surely, 2^22431020022 is an apocalyptic number.

22431020022 is an abundant number, since it is smaller than the sum of its proper divisors (29028379554).

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

22431020022 is a wasteful number, since it uses less digits than its factorization.

22431020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73304012 (or 73304009 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22431020022 its reverse (22002013422), we get a palindrome (44433033444).

The spelling of 22431020022 in words is "twenty-two billion, four hundred thirty-one million, twenty thousand, twenty-two".