222022222022021 has 4 divisors (see below), whose sum is σ = 222022260816672. Its totient is φ = 222022183227372.

The previous prime is 222022222021979. The next prime is 222022222022071. The reversal of 222022222022021 is 120220222220222.

222022222022021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222022222022021 - 2¹⁰ = 222022222020997 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 (222022222022071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8929985 + ... + 22886438.

It is an arithmetic number, because the mean of its divisors is an integer number (55505565204168).

Almost surely, 2^{222022222022021} is an apocalyptic number.

It is an amenable number.

222022222022021 is a deficient number, since it is larger than the sum of its proper divisors (38794651).

222022222022021 is an equidigital number, since it uses as much as digits as its factorization.

222022222022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38794650.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 222022222022021 its reverse (120220222220222), we get a palindrome (342242444242243).

The spelling of 222022222022021 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred twenty-two million, twenty-two thousand, twenty-one".