22012123022 has 16 divisors (see below), whose sum is σ = 34970858352. Its totient is φ = 10355556480.

The previous prime is 22012123019. The next prime is 22012123033. The reversal of 22012123022 is 22032121022.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21197 + ... + 210887.

It is an arithmetic number, because the mean of its divisors is an integer number (2185678647).

Almost surely, 2^22012123022 is an apocalyptic number.

22012123022 is a deficient number, since it is larger than the sum of its proper divisors (12958735330).

22012123022 is a wasteful number, since it uses less digits than its factorization.

22012123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193123.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22012123022 its reverse (22032121022), we get a palindrome (44044244044).

The spelling of 22012123022 in words is "twenty-two billion, twelve million, one hundred twenty-three thousand, twenty-two".