22202033321221 has 16 divisors (see below), whose sum is σ = 24123731163840. Its totient is φ = 20311292252160.

The previous prime is 22202033321219. The next prime is 22202033321227. The reversal of 22202033321221 is 12212333020222.

It is not a de Polignac number, because 22202033321221 - 2¹ = 22202033321219 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 (22202033321227) 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, 7166995 + ... + 9786208.

It is an arithmetic number, because the mean of its divisors is an integer number (1507733197740).

Almost surely, 2^{22202033321221} is an apocalyptic number.

It is an amenable number.

22202033321221 is a deficient number, since it is larger than the sum of its proper divisors (1921697842619).

22202033321221 is a wasteful number, since it uses less digits than its factorization.

22202033321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16954116.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22202033321221 its reverse (12212333020222), we get a palindrome (34414366341443).

The spelling of 22202033321221 in words is "twenty-two trillion, two hundred two billion, thirty-three million, three hundred twenty-one thousand, two hundred twenty-one".