22315706837 has 2 divisors, whose sum is σ = 22315706838. Its totient is φ = 22315706836.

The previous prime is 22315706789. The next prime is 22315706839. The reversal of 22315706837 is 73860751322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21914065156 + 401641681 = 148034^2 + 20041^2 .

It is a cyclic number.

It is not a de Polignac number, because 22315706837 - 2¹² = 22315702741 is a prime.

It is a super-3 number, since 3×22315706837³ (a number of 32 digits) contains 333 as substring.

Together with 22315706839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22315706839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11157853418 + 11157853419.

It is an arithmetic number, because the mean of its divisors is an integer number (11157853419).

Almost surely, 2^22315706837 is an apocalyptic number.

It is an amenable number.

22315706837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22315706837 is an equidigital number, since it uses as much as digits as its factorization.

22315706837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 22315706837 in words is "twenty-two billion, three hundred fifteen million, seven hundred six thousand, eight hundred thirty-seven".