22331212022 has 32 divisors (see below), whose sum is σ = 39021213504. Its totient is φ = 9387187200.

The previous prime is 22331211967. The next prime is 22331212051. The reversal of 22331212022 is 22021213322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22331211985 and 22331212003.

It is a congruent number.

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, 124622 + ... + 245342.

It is an arithmetic number, because the mean of its divisors is an integer number (1219412922).

Almost surely, 2^22331212022 is an apocalyptic number.

22331212022 is a deficient number, since it is larger than the sum of its proper divisors (16690001482).

22331212022 is a wasteful number, since it uses less digits than its factorization.

22331212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120984.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22331212022 its reverse (22021213322), we get a palindrome (44352425344).

The spelling of 22331212022 in words is "twenty-two billion, three hundred thirty-one million, two hundred twelve thousand, twenty-two".