22812239473 has 2 divisors, whose sum is σ = 22812239474. Its totient is φ = 22812239472.

The previous prime is 22812239447. The next prime is 22812239503. The reversal of 22812239473 is 37493221822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22810967089 + 1272384 = 151033^2 + 1128^2 .

It is a cyclic number.

It is not a de Polignac number, because 22812239473 - 2¹⁷ = 22812108401 is a prime.

It is not a weakly prime, because it can be changed into another prime (22812239423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11406119736 + 11406119737.

It is an arithmetic number, because the mean of its divisors is an integer number (11406119737).

Almost surely, 2^22812239473 is an apocalyptic number.

It is an amenable number.

22812239473 is a deficient number, since it is larger than the sum of its proper divisors (1).

22812239473 is an equidigital number, since it uses as much as digits as its factorization.

22812239473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The spelling of 22812239473 in words is "twenty-two billion, eight hundred twelve million, two hundred thirty-nine thousand, four hundred seventy-three".