22426026251 has 2 divisors, whose sum is σ = 22426026252. Its totient is φ = 22426026250.

The previous prime is 22426026197. The next prime is 22426026257. The reversal of 22426026251 is 15262062422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22426026251 - 2³⁴ = 5246157067 is a prime.

It is a super-2 number, since 2×22426026251² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22426026257) 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, 11213013125 + 11213013126.

It is an arithmetic number, because the mean of its divisors is an integer number (11213013126).

Almost surely, 2^22426026251 is an apocalyptic number.

22426026251 is a deficient number, since it is larger than the sum of its proper divisors (1).

22426026251 is an equidigital number, since it uses as much as digits as its factorization.

22426026251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 22426026251 its reverse (15262062422), we get a palindrome (37688088673).

The spelling of 22426026251 in words is "twenty-two billion, four hundred twenty-six million, twenty-six thousand, two hundred fifty-one".