22031193 has 8 divisors (see below), whose sum is σ = 29649888. Its totient is φ = 14549984.

The previous prime is 22031159. The next prime is 22031197. The reversal of 22031193 is 39113022.

It is a happy number.

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 22031193 - 2⁶ = 22031129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22031197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33996 + ... + 34637.

It is an arithmetic number, because the mean of its divisors is an integer number (3706236).

Almost surely, 2^22031193 is an apocalyptic number.

It is an amenable number.

22031193 is a deficient number, since it is larger than the sum of its proper divisors (7618695).

22031193 is a wasteful number, since it uses less digits than its factorization.

22031193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68743.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 22031193 is about 4693.7397669662. The cubic root of 22031193 is about 280.3363008479.

It can be divided in two parts, 220 and 31193, that added together give a palindrome (31413).

The spelling of 22031193 in words is "twenty-two million, thirty-one thousand, one hundred ninety-three".