1138506922 has 16 divisors (see below), whose sum is σ = 1952159040. Its totient is φ = 487823328.

The previous prime is 1138506913. The next prime is 1138506937. The reversal of 1138506922 is 2296058311.

It is a super-2 number, since 2×1138506922² = 2592396022883828168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121033 + ... + 130099.

It is an arithmetic number, because the mean of its divisors is an integer number (122009940).

Almost surely, 2^1138506922 is an apocalyptic number.

1138506922 is a deficient number, since it is larger than the sum of its proper divisors (813652118).

1138506922 is an equidigital number, since it uses as much as digits as its factorization.

1138506922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18045.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1138506922 is about 33741.7682109281. The cubic root of 1138506922 is about 1044.1876647468.

The spelling of 1138506922 in words is "one billion, one hundred thirty-eight million, five hundred six thousand, nine hundred twenty-two".