22202202222021 has 16 divisors (see below), whose sum is σ = 31344777446400. Its totient is φ = 13930574903808.

The previous prime is 22202202221977. The next prime is 22202202222041. The reversal of 22202202222021 is 12022220220222.

It is not a de Polignac number, because 22202202222021 - 2⁶ = 22202202221957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202202222041) 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, 103936 + ... + 6664473.

It is an arithmetic number, because the mean of its divisors is an integer number (1959048590400).

Almost surely, 2^{22202202222021} is an apocalyptic number.

It is an amenable number.

22202202222021 is a deficient number, since it is larger than the sum of its proper divisors (9142575224379).

22202202222021 is a wasteful number, since it uses less digits than its factorization.

22202202222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832748.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 22202202222021 its reverse (12022220220222), we get a palindrome (34224422442243).

The spelling of 22202202222021 in words is "twenty-two trillion, two hundred two billion, two hundred two million, two hundred twenty-two thousand, twenty-one".