22031043 has 4 divisors (see below), whose sum is σ = 29374728. Its totient is φ = 14687360.

The previous prime is 22031027. The next prime is 22031057. The reversal of 22031043 is 34013022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22031043 - 2⁴ = 22031027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22031003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3671838 + ... + 3671843.

It is an arithmetic number, because the mean of its divisors is an integer number (7343682).

Almost surely, 2^22031043 is an apocalyptic number.

22031043 is a deficient number, since it is larger than the sum of its proper divisors (7343685).

22031043 is an equidigital number, since it uses as much as digits as its factorization.

22031043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343684.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22031043 is about 4693.7237882091. The cubic root of 22031043 is about 280.3356646206.

Adding to 22031043 its reverse (34013022), we get a palindrome (56044065).

The spelling of 22031043 in words is "twenty-two million, thirty-one thousand, forty-three".