1839939122 has 30 divisors (see below), whose sum is σ = 3224911743. Its totient is φ = 787271436.

The previous prime is 1839939067. The next prime is 1839939137. The reversal of 1839939122 is 2219399381.

It can be written as a sum of positive squares in only one way, i.e., 919969561 + 919969561 = 30331^2 + 30331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=30331.

It is a super-2 number, since 2×1839939122² = 6770751945332261768, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2972129 + ... + 2972747.

Almost surely, 2^1839939122 is an apocalyptic number.

1839939122 is a deficient number, since it is larger than the sum of its proper divisors (1384972621).

1839939122 is an frugal number, since it uses more digits than its factorization.

1839939122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 628 counting only the distinct ones).

The product of its digits is 209952, while the sum is 47.

The square root of 1839939122 is about 42894.5115603383. The cubic root of 1839939122 is about 1225.3716205857.

Multiplying 1839939122 by its product of digits (209952), we get a square (386298898542144 = 19654488²).

The spelling of 1839939122 in words is "one billion, eight hundred thirty-nine million, nine hundred thirty-nine thousand, one hundred twenty-two".