22771069 has 2 divisors, whose sum is σ = 22771070. Its totient is φ = 22771068.

The previous prime is 22771057. The next prime is 22771103. The reversal of 22771069 is 96017722.

It is an a-pointer prime, because the next prime (22771103) can be obtained adding 22771069 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12924025 + 9847044 = 3595^2 + 3138^2 .

It is a cyclic number.

It is not a de Polignac number, because 22771069 - 2⁷ = 22770941 is a prime.

It is a super-2 number, since 2×22771069² = 1037043166805522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22771009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11385534 + 11385535.

It is an arithmetic number, because the mean of its divisors is an integer number (11385535).

Almost surely, 2^22771069 is an apocalyptic number.

It is an amenable number.

22771069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22771069 is an equidigital number, since it uses as much as digits as its factorization.

22771069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 22771069 is about 4771.9041272850. The cubic root of 22771069 is about 283.4400002839.

The spelling of 22771069 in words is "twenty-two million, seven hundred seventy-one thousand, sixty-nine".