22477512338 has 6 divisors (see below), whose sum is σ = 33716586549. Its totient is φ = 11238650156.

The previous prime is 22477512313. The next prime is 22477512347. The reversal of 22477512338 is 83321577422.

It can be written as a sum of positive squares in 2 ways, for example, as 22170316609 + 307195729 = 148897^2 + 17527^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106013.

It is a Duffinian number.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 159020 + ... + 265032.

Almost surely, 2^22477512338 is an apocalyptic number.

22477512338 is a deficient number, since it is larger than the sum of its proper divisors (11239074211).

22477512338 is an frugal number, since it uses more digits than its factorization.

22477512338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212028 (or 106015 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The spelling of 22477512338 in words is "twenty-two billion, four hundred seventy-seven million, five hundred twelve thousand, three hundred thirty-eight".