22272793 has 2 divisors, whose sum is σ = 22272794. Its totient is φ = 22272792.

The previous prime is 22272749. The next prime is 22272797. The reversal of 22272793 is 39727222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19079424 + 3193369 = 4368^2 + 1787^2 .

It is a cyclic number.

It is not a de Polignac number, because 22272793 - 2⁹ = 22272281 is a prime.

It is not a weakly prime, because it can be changed into another prime (22272797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11136396 + 11136397.

It is an arithmetic number, because the mean of its divisors is an integer number (11136397).

Almost surely, 2^22272793 is an apocalyptic number.

It is an amenable number.

22272793 is a deficient number, since it is larger than the sum of its proper divisors (1).

22272793 is an equidigital number, since it uses as much as digits as its factorization.

22272793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 22272793 is about 4719.4060007590. The cubic root of 22272793 is about 281.3573254261.

The spelling of 22272793 in words is "twenty-two million, two hundred seventy-two thousand, seven hundred ninety-three".