22843456651 has 2 divisors, whose sum is σ = 22843456652. Its totient is φ = 22843456650.

The previous prime is 22843456609. The next prime is 22843456661. The reversal of 22843456651 is 15665434822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22843456651 - 2⁷ = 22843456523 is a prime.

It is a super-2 number, since 2×22843456651² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22843456661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421728325 + 11421728326.

It is an arithmetic number, because the mean of its divisors is an integer number (11421728326).

Almost surely, 2^22843456651 is an apocalyptic number.

22843456651 is a deficient number, since it is larger than the sum of its proper divisors (1).

22843456651 is an equidigital number, since it uses as much as digits as its factorization.

22843456651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 46.

The spelling of 22843456651 in words is "twenty-two billion, eight hundred forty-three million, four hundred fifty-six thousand, six hundred fifty-one".