22283897 has 2 divisors, whose sum is σ = 22283898. Its totient is φ = 22283896.

The previous prime is 22283881. The next prime is 22283929. The reversal of 22283897 is 79838222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12524521 + 9759376 = 3539^2 + 3124^2 .

It is a cyclic number.

It is not a de Polignac number, because 22283897 - 2⁴ = 22283881 is a prime.

It is not a weakly prime, because it can be changed into another prime (22283837) 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 as a sum of consecutive naturals, namely, 11141948 + 11141949.

It is an arithmetic number, because the mean of its divisors is an integer number (11141949).

Almost surely, 2^22283897 is an apocalyptic number.

It is an amenable number.

22283897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22283897 is an equidigital number, since it uses as much as digits as its factorization.

22283897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 22283897 is about 4720.5822734065. The cubic root of 22283897 is about 281.4040741313.

The spelling of 22283897 in words is "twenty-two million, two hundred eighty-three thousand, eight hundred ninety-seven".