22038938 has 4 divisors (see below), whose sum is σ = 33058410. Its totient is φ = 11019468.

The previous prime is 22038889. The next prime is 22038941. The reversal of 22038938 is 83983022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18515809 + 3523129 = 4303^2 + 1877^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22038898 and 22038907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509733 + ... + 5509736.

Almost surely, 2^22038938 is an apocalyptic number.

22038938 is a deficient number, since it is larger than the sum of its proper divisors (11019472).

22038938 is a wasteful number, since it uses less digits than its factorization.

22038938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019471.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22038938 is about 4694.5647295569. The cubic root of 22038938 is about 280.3691474618.

The spelling of 22038938 in words is "twenty-two million, thirty-eight thousand, nine hundred thirty-eight".