22195238 has 8 divisors (see below), whose sum is σ = 35853888. Its totient is φ = 10243944.

The previous prime is 22195223. The next prime is 22195241. The reversal of 22195238 is 83259122.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426806 + ... + 426857.

It is an arithmetic number, because the mean of its divisors is an integer number (4481736).

Almost surely, 2^22195238 is an apocalyptic number.

22195238 is a deficient number, since it is larger than the sum of its proper divisors (13658650).

22195238 is a wasteful number, since it uses less digits than its factorization.

22195238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853678.

The product of its digits is 8640, while the sum is 32.

The square root of 22195238 is about 4711.1822295471. The cubic root of 22195238 is about 281.0303788030.

It can be divided in two parts, 221 and 95238, that added together give a palindrome (95459).

The spelling of 22195238 in words is "twenty-two million, one hundred ninety-five thousand, two hundred thirty-eight".