22047238 has 8 divisors (see below), whose sum is σ = 33631560. Its totient is φ = 10836720.

The previous prime is 22047229. The next prime is 22047257. The reversal of 22047238 is 83274022.

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

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, 93303 + ... + 93538.

It is an arithmetic number, because the mean of its divisors is an integer number (4203945).

Almost surely, 2^22047238 is an apocalyptic number.

22047238 is a deficient number, since it is larger than the sum of its proper divisors (11584322).

22047238 is a wasteful number, since it uses less digits than its factorization.

22047238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186902.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 22047238 is about 4695.4486473605. The cubic root of 22047238 is about 280.4043392945.

The spelling of 22047238 in words is "twenty-two million, forty-seven thousand, two hundred thirty-eight".