22276769 has 2 divisors, whose sum is σ = 22276770. Its totient is φ = 22276768.

The previous prime is 22276741. The next prime is 22276781. The reversal of 22276769 is 96767222.

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., 15840400 + 6436369 = 3980^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 22276769 - 2¹² = 22272673 is a prime.

It is a super-2 number, since 2×22276769² = 992508874158722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22276739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11138384 + 11138385.

It is an arithmetic number, because the mean of its divisors is an integer number (11138385).

Almost surely, 2^22276769 is an apocalyptic number.

It is an amenable number.

22276769 is a deficient number, since it is larger than the sum of its proper divisors (1).

22276769 is an equidigital number, since it uses as much as digits as its factorization.

22276769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 22276769 is about 4719.8272214139. The cubic root of 22276769 is about 281.3740664812.

The spelling of 22276769 in words is "twenty-two million, two hundred seventy-six thousand, seven hundred sixty-nine".