22497574973 has 2 divisors, whose sum is σ = 22497574974. Its totient is φ = 22497574972.

The previous prime is 22497574943. The next prime is 22497575033. The reversal of 22497574973 is 37947579422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19560260164 + 2937314809 = 139858^2 + 54197^2 .

It is a cyclic number.

It is not a de Polignac number, because 22497574973 - 2⁶ = 22497574909 is a prime.

It is a super-2 number, since 2×22497574973² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22497574943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11248787486 + 11248787487.

It is an arithmetic number, because the mean of its divisors is an integer number (11248787487).

Almost surely, 2^22497574973 is an apocalyptic number.

It is an amenable number.

22497574973 is a deficient number, since it is larger than the sum of its proper divisors (1).

22497574973 is an equidigital number, since it uses as much as digits as its factorization.

22497574973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 59.

The spelling of 22497574973 in words is "twenty-two billion, four hundred ninety-seven million, five hundred seventy-four thousand, nine hundred seventy-three".