1338257522 has 12 divisors (see below), whose sum is σ = 2335122990. Its totient is φ = 573538896.

The previous prime is 1338257509. The next prime is 1338257563. The reversal of 1338257522 is 2257528331.

It can be written as a sum of positive squares in only one way, i.e., 886312441 + 451945081 = 29771^2 + 21259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6827747 + ... + 6827942.

Almost surely, 2^1338257522 is an apocalyptic number.

1338257522 is a deficient number, since it is larger than the sum of its proper divisors (996865468).

1338257522 is a wasteful number, since it uses less digits than its factorization.

1338257522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13655705 (or 13655698 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 1338257522 is about 36582.2022573819. The cubic root of 1338257522 is about 1101.9956944418.

The spelling of 1338257522 in words is "one billion, three hundred thirty-eight million, two hundred fifty-seven thousand, five hundred twenty-two".