22231943 has 8 divisors (see below), whose sum is σ = 22606080. Its totient is φ = 21860280.

The previous prime is 22231939. The next prime is 22231973. The reversal of 22231943 is 34913222.

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 22231943 - 2² = 22231939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27008 + ... + 27818.

It is an arithmetic number, because the mean of its divisors is an integer number (2825760).

Almost surely, 2^22231943 is an apocalyptic number.

22231943 is a deficient number, since it is larger than the sum of its proper divisors (374137).

22231943 is an equidigital number, since it uses as much as digits as its factorization.

22231943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237.

The product of its digits is 2592, while the sum is 26.

The square root of 22231943 is about 4715.0761393640. The cubic root of 22231943 is about 281.1852098988.

The spelling of 22231943 in words is "twenty-two million, two hundred thirty-one thousand, nine hundred forty-three".