22122132021 has 80 divisors (see below), whose sum is σ = 37767565440. Its totient is φ = 12773566080.

The previous prime is 22122131971. The next prime is 22122132023. The reversal of 22122132021 is 12023122122.

It is not a de Polignac number, because 22122132021 - 2¹⁴ = 22122115637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22122131985 and 22122132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122132023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5510611 + ... + 5514623.

It is an arithmetic number, because the mean of its divisors is an integer number (472094568).

Almost surely, 2^22122132021 is an apocalyptic number.

It is an amenable number.

22122132021 is a deficient number, since it is larger than the sum of its proper divisors (15645433419).

22122132021 is a wasteful number, since it uses less digits than its factorization.

22122132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 4319 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22122132021 its reverse (12023122122), we get a palindrome (34145254143).

The spelling of 22122132021 in words is "twenty-two billion, one hundred twenty-two million, one hundred thirty-two thousand, twenty-one".