22477020343961 has 2 divisors, whose sum is σ = 22477020343962. Its totient is φ = 22477020343960.

The previous prime is 22477020343919. The next prime is 22477020344011. The reversal of 22477020343961 is 16934302077422.

It is an a-pointer prime, because the next prime (22477020344011) can be obtained adding 22477020343961 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21473956000000 + 1003064343961 = 4634000^2 + 1001531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22477020343961 is a prime.

It is not a weakly prime, because it can be changed into another prime (22477020340961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11238510171980 + 11238510171981.

It is an arithmetic number, because the mean of its divisors is an integer number (11238510171981).

Almost surely, 2^{22477020343961} is an apocalyptic number.

It is an amenable number.

22477020343961 is a deficient number, since it is larger than the sum of its proper divisors (1).

22477020343961 is an equidigital number, since it uses as much as digits as its factorization.

22477020343961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 22477020343961 in words is "twenty-two trillion, four hundred seventy-seven billion, twenty million, three hundred forty-three thousand, nine hundred sixty-one".