22202222211989 has 2 divisors, whose sum is σ = 22202222211990. Its totient is φ = 22202222211988.

The previous prime is 22202222211937. The next prime is 22202222212043. The reversal of 22202222211989 is 98911222220222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19851105989764 + 2351116222225 = 4455458^2 + 1533335^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202222211989 - 2⁸ = 22202222211733 is a prime.

It is a super-2 number, since 2×22202222211989² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202222211089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101111105994 + 11101111105995.

It is an arithmetic number, because the mean of its divisors is an integer number (11101111105995).

Almost surely, 2^{22202222211989} is an apocalyptic number.

It is an amenable number.

22202222211989 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202222211989 is an equidigital number, since it uses as much as digits as its factorization.

22202222211989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 22202222211989 in words is "twenty-two trillion, two hundred two billion, two hundred twenty-two million, two hundred eleven thousand, nine hundred eighty-nine".