338222637 has 6 divisors (see below), whose sum is σ = 488543822. Its totient is φ = 225481752.

The previous prime is 338222623. The next prime is 338222671. The reversal of 338222637 is 736222833.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 172817316 + 165405321 = 13146^2 + 12861^2 .

It is not a de Polignac number, because 338222637 - 2¹² = 338218541 is a prime.

It is a super-2 number, since 2×338222637² = 228789104358467538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338232637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18790138 + ... + 18790155.

Almost surely, 2^338222637 is an apocalyptic number.

It is an amenable number.

338222637 is a deficient number, since it is larger than the sum of its proper divisors (150321185).

338222637 is a wasteful number, since it uses less digits than its factorization.

338222637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37580299 (or 37580296 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 338222637 is about 18390.8302422702. The cubic root of 338222637 is about 696.7348869294.

The spelling of 338222637 in words is "three hundred thirty-eight million, two hundred twenty-two thousand, six hundred thirty-seven".