22438371 has 8 divisors (see below), whose sum is σ = 30032640. Its totient is φ = 14901512.

The previous prime is 22438337. The next prime is 22438379. The reversal of 22438371 is 17383422.

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

It is a cyclic number.

It is not a de Polignac number, because 22438371 - 2⁶ = 22438307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22438379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13431 + ... + 15008.

It is an arithmetic number, because the mean of its divisors is an integer number (3754080).

Almost surely, 2^22438371 is an apocalyptic number.

22438371 is a deficient number, since it is larger than the sum of its proper divisors (7594269).

22438371 is a wasteful number, since it uses less digits than its factorization.

22438371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28705.

The product of its digits is 8064, while the sum is 30.

The square root of 22438371 is about 4736.9157687255. The cubic root of 22438371 is about 282.0528169267.

The spelling of 22438371 in words is "twenty-two million, four hundred thirty-eight thousand, three hundred seventy-one".