22030993 has 2 divisors, whose sum is σ = 22030994. Its totient is φ = 22030992.

The previous prime is 22030973. The next prime is 22031003. The reversal of 22030993 is 39903022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 16129 = 4692^2 + 127^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030993 - 2⁵ = 22030961 is a prime.

It is not a weakly prime, because it can be changed into another prime (22030913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015496 + 11015497.

It is an arithmetic number, because the mean of its divisors is an integer number (11015497).

Almost surely, 2^22030993 is an apocalyptic number.

It is an amenable number.

22030993 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030993 is an equidigital number, since it uses as much as digits as its factorization.

22030993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 22030993 is about 4693.7184619446. The cubic root of 22030993 is about 280.3354525442.

It can be divided in two parts, 220 and 30993, that added together give a palindrome (31213).

The spelling of 22030993 in words is "twenty-two million, thirty thousand, nine hundred ninety-three".