22122020402413 has 8 divisors (see below), whose sum is σ = 23457914426232. Its totient is φ = 20789970679296.

The previous prime is 22122020402411. The next prime is 22122020402497. The reversal of 22122020402413 is 31420402022122.

It can be written as a sum of positive squares in 4 ways, for example, as 19301243049124 + 2820777353289 = 4393318^2 + 1679517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22122020402413 - 2¹ = 22122020402411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122020402411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961063320 + ... + 961086337.

It is an arithmetic number, because the mean of its divisors is an integer number (2932239303279).

Almost surely, 2^{22122020402413} is an apocalyptic number.

It is an amenable number.

22122020402413 is a deficient number, since it is larger than the sum of its proper divisors (1335894023819).

22122020402413 is a wasteful number, since it uses less digits than its factorization.

22122020402413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922150351.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 22122020402413 its reverse (31420402022122), we get a palindrome (53542422424535).

The spelling of 22122020402413 in words is "twenty-two trillion, one hundred twenty-two billion, twenty million, four hundred two thousand, four hundred thirteen".