22797451147 has 2 divisors, whose sum is σ = 22797451148. Its totient is φ = 22797451146.

The previous prime is 22797451139. The next prime is 22797451241. The reversal of 22797451147 is 74115479722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22797451147 - 2³ = 22797451139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22797451147.

It is not a weakly prime, because it can be changed into another prime (22797451847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11398725573 + 11398725574.

It is an arithmetic number, because the mean of its divisors is an integer number (11398725574).

Almost surely, 2^22797451147 is an apocalyptic number.

22797451147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22797451147 is an equidigital number, since it uses as much as digits as its factorization.

22797451147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 987840, while the sum is 49.

The spelling of 22797451147 in words is "twenty-two billion, seven hundred ninety-seven million, four hundred fifty-one thousand, one hundred forty-seven".