22220210220931 has 2 divisors, whose sum is σ = 22220210220932. Its totient is φ = 22220210220930.

The previous prime is 22220210220889. The next prime is 22220210220937. The reversal of 22220210220931 is 13902201202222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22220210220931 - 2²⁹ = 22219673350019 is a prime.

It is a super-2 number, since 2×22220210220931² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22220210220931.

It is not a weakly prime, because it can be changed into another prime (22220210220937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110105110465 + 11110105110466.

It is an arithmetic number, because the mean of its divisors is an integer number (11110105110466).

Almost surely, 2^{22220210220931} is an apocalyptic number.

22220210220931 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220210220931 is an equidigital number, since it uses as much as digits as its factorization.

22220210220931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 22220210220931 in words is "twenty-two trillion, two hundred twenty billion, two hundred ten million, two hundred twenty thousand, nine hundred thirty-one".