23222212961 has 2 divisors, whose sum is σ = 23222212962. Its totient is φ = 23222212960.

The previous prime is 23222212921. The next prime is 23222212963. The reversal of 23222212961 is 16921222232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14894737936 + 8327475025 = 122044^2 + 91255^2 .

It is a cyclic number.

It is not a de Polignac number, because 23222212961 - 2¹⁰ = 23222211937 is a prime.

Together with 23222212963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23222212963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611106480 + 11611106481.

It is an arithmetic number, because the mean of its divisors is an integer number (11611106481).

Almost surely, 2^23222212961 is an apocalyptic number.

It is an amenable number.

23222212961 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222212961 is an equidigital number, since it uses as much as digits as its factorization.

23222212961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The spelling of 23222212961 in words is "twenty-three billion, two hundred twenty-two million, two hundred twelve thousand, nine hundred sixty-one".