22332342021 has 16 divisors (see below), whose sum is σ = 32568238080. Its totient is φ = 13499406320.

The previous prime is 22332341971. The next prime is 22332342049. The reversal of 22332342021 is 12024323322.

It is a cyclic number.

It is not a de Polignac number, because 22332342021 - 2⁷ = 22332341893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22332341982 and 22332342000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22332342091) 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, 870831 + ... + 896108.

It is an arithmetic number, because the mean of its divisors is an integer number (2035514880).

Almost surely, 2^22332342021 is an apocalyptic number.

It is an amenable number.

22332342021 is a deficient number, since it is larger than the sum of its proper divisors (10235896059).

22332342021 is a wasteful number, since it uses less digits than its factorization.

22332342021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767336.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22332342021 its reverse (12024323322), we get a palindrome (34356665343).

The spelling of 22332342021 in words is "twenty-two billion, three hundred thirty-two million, three hundred forty-two thousand, twenty-one".