23222122501 has 2 divisors, whose sum is σ = 23222122502. Its totient is φ = 23222122500.

The previous prime is 23222122499. The next prime is 23222122507. The reversal of 23222122501 is 10522122232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23005002276 + 217120225 = 151674^2 + 14735^2 .

It is a cyclic number.

It is not a de Polignac number, because 23222122501 - 2¹ = 23222122499 is a prime.

Together with 23222122499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23222122507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611061250 + 11611061251.

It is an arithmetic number, because the mean of its divisors is an integer number (11611061251).

Almost surely, 2^23222122501 is an apocalyptic number.

It is an amenable number.

23222122501 is a deficient number, since it is larger than the sum of its proper divisors (1).

23222122501 is an equidigital number, since it uses as much as digits as its factorization.

23222122501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 23222122501 its reverse (10522122232), we get a palindrome (33744244733).

The spelling of 23222122501 in words is "twenty-three billion, two hundred twenty-two million, one hundred twenty-two thousand, five hundred one".