22146451147 has 2 divisors, whose sum is σ = 22146451148. Its totient is φ = 22146451146.

The previous prime is 22146451087. The next prime is 22146451177. The reversal of 22146451147 is 74115464122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22146451147 - 2²³ = 22138062539 is a prime.

It is not a weakly prime, because it can be changed into another prime (22146451177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11073225573 + 11073225574.

It is an arithmetic number, because the mean of its divisors is an integer number (11073225574).

Almost surely, 2^22146451147 is an apocalyptic number.

22146451147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22146451147 is an equidigital number, since it uses as much as digits as its factorization.

22146451147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The spelling of 22146451147 in words is "twenty-two billion, one hundred forty-six million, four hundred fifty-one thousand, one hundred forty-seven".