938137922 has 4 divisors (see below), whose sum is σ = 1407206886. Its totient is φ = 469068960.

The previous prime is 938137897. The next prime is 938137943. The reversal of 938137922 is 229731839.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229731839 = 53 ⋅4334563.

It can be written as a sum of positive squares in only one way, i.e., 937033321 + 1104601 = 30611^2 + 1051^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234534479 + ... + 234534482.

Almost surely, 2^938137922 is an apocalyptic number.

938137922 is a deficient number, since it is larger than the sum of its proper divisors (469068964).

938137922 is a wasteful number, since it uses less digits than its factorization.

938137922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469068963.

The product of its digits is 163296, while the sum is 44.

The square root of 938137922 is about 30629.0372359302. The cubic root of 938137922 is about 978.9388493110.

The spelling of 938137922 in words is "nine hundred thirty-eight million, one hundred thirty-seven thousand, nine hundred twenty-two".