22099890251 has 2 divisors, whose sum is σ = 22099890252. Its totient is φ = 22099890250.

The previous prime is 22099890227. The next prime is 22099890289. The reversal of 22099890251 is 15209899022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22099890251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22099890196 and 22099890205.

It is not a weakly prime, because it can be changed into another prime (22099896251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11049945125 + 11049945126.

It is an arithmetic number, because the mean of its divisors is an integer number (11049945126).

Almost surely, 2^22099890251 is an apocalyptic number.

22099890251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22099890251 is an equidigital number, since it uses as much as digits as its factorization.

22099890251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 22099890251 in words is "twenty-two billion, ninety-nine million, eight hundred ninety thousand, two hundred fifty-one".