22687696147 has 2 divisors, whose sum is σ = 22687696148. Its totient is φ = 22687696146.

The previous prime is 22687696139. The next prime is 22687696159. The reversal of 22687696147 is 74169678622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22687696147 - 2³ = 22687696139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22687696091 and 22687696100.

It is not a weakly prime, because it can be changed into another prime (22687696117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11343848073 + 11343848074.

It is an arithmetic number, because the mean of its divisors is an integer number (11343848074).

Almost surely, 2^22687696147 is an apocalyptic number.

22687696147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22687696147 is an equidigital number, since it uses as much as digits as its factorization.

22687696147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 58.

The spelling of 22687696147 in words is "twenty-two billion, six hundred eighty-seven million, six hundred ninety-six thousand, one hundred forty-seven".