22738238 has 8 divisors (see below), whose sum is σ = 34666680. Its totient is φ = 11182680.

The previous prime is 22738229. The next prime is 22738273. The reversal of 22738238 is 83283722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22738198 and 22738207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93068 + ... + 93311.

It is an arithmetic number, because the mean of its divisors is an integer number (4333335).

Almost surely, 2^22738238 is an apocalyptic number.

22738238 is a deficient number, since it is larger than the sum of its proper divisors (11928442).

22738238 is a wasteful number, since it uses less digits than its factorization.

22738238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186442.

The product of its digits is 32256, while the sum is 35.

The square root of 22738238 is about 4768.4628550509. The cubic root of 22738238 is about 283.3037148585.

The spelling of 22738238 in words is "twenty-two million, seven hundred thirty-eight thousand, two hundred thirty-eight".