22722315673 has 2 divisors, whose sum is σ = 22722315674. Its totient is φ = 22722315672.

The previous prime is 22722315667. The next prime is 22722315691. The reversal of 22722315673 is 37651322722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22717422729 + 4892944 = 150723^2 + 2212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22722315673 is a prime.

It is a super-2 number, since 2×22722315673² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22722315373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361157836 + 11361157837.

It is an arithmetic number, because the mean of its divisors is an integer number (11361157837).

Almost surely, 2^22722315673 is an apocalyptic number.

It is an amenable number.

22722315673 is a deficient number, since it is larger than the sum of its proper divisors (1).

22722315673 is an equidigital number, since it uses as much as digits as its factorization.

22722315673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 40.

The spelling of 22722315673 in words is "twenty-two billion, seven hundred twenty-two million, three hundred fifteen thousand, six hundred seventy-three".