22506726371 has 2 divisors, whose sum is σ = 22506726372. Its totient is φ = 22506726370.

The previous prime is 22506726367. The next prime is 22506726373. The reversal of 22506726371 is 17362760522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22506726371 - 2² = 22506726367 is a prime.

Together with 22506726373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22506726373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11253363185 + 11253363186.

It is an arithmetic number, because the mean of its divisors is an integer number (11253363186).

Almost surely, 2^22506726371 is an apocalyptic number.

22506726371 is a deficient number, since it is larger than the sum of its proper divisors (1).

22506726371 is an equidigital number, since it uses as much as digits as its factorization.

22506726371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 22506726371 in words is "twenty-two billion, five hundred six million, seven hundred twenty-six thousand, three hundred seventy-one".