22769849 has 4 divisors (see below), whose sum is σ = 23025780. Its totient is φ = 22513920.

The previous prime is 22769819. The next prime is 22769863. The reversal of 22769849 is 94896722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11833600 + 10936249 = 3440^2 + 3307^2 .

It is a cyclic number.

It is not a de Polignac number, because 22769849 - 2¹² = 22765753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22769819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127832 + ... + 128009.

It is an arithmetic number, because the mean of its divisors is an integer number (5756445).

Almost surely, 2^22769849 is an apocalyptic number.

It is an amenable number.

22769849 is a deficient number, since it is larger than the sum of its proper divisors (255931).

22769849 is an equidigital number, since it uses as much as digits as its factorization.

22769849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255930.

The product of its digits is 435456, while the sum is 47.

The square root of 22769849 is about 4771.7762940021. The cubic root of 22769849 is about 283.4349382616.

The spelling of 22769849 in words is "twenty-two million, seven hundred sixty-nine thousand, eight hundred forty-nine".