1538229682 has 12 divisors (see below), whose sum is σ = 2536172478. Its totient is φ = 699195200.

The previous prime is 1538229659. The next prime is 1538229713. The reversal of 1538229682 is 2869228351.

It can be written as a sum of positive squares in only one way, i.e., 1525761721 + 12467961 = 39061^2 + 3531^2 .

It is a super-2 number, since 2×1538229682² = 4732301109171642248, which contains 22 as substring.

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, 3177919 + ... + 3178402.

Almost surely, 2^1538229682 is an apocalyptic number.

1538229682 is a deficient number, since it is larger than the sum of its proper divisors (997942796).

1538229682 is a wasteful number, since it uses less digits than its factorization.

1538229682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356345 (or 6356334 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 1538229682 is about 39220.2713147168. The cubic root of 1538229682 is about 1154.3576776253.

The spelling of 1538229682 in words is "one billion, five hundred thirty-eight million, two hundred twenty-nine thousand, six hundred eighty-two".