22426469 has 6 divisors (see below), whose sum is σ = 24284466. Its totient is φ = 20701200.

The previous prime is 22426463. The next prime is 22426471. The reversal of 22426469 is 96462422.

22426469 = 277² + 278² + ... + 445².

It can be written as a sum of positive squares in 3 ways, for example, as 289444 + 22137025 = 538^2 + 4705^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22426469 is a prime.

It is a super-2 number, since 2×22426469² = 1005893023615922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426463) 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 in 5 ways as a sum of consecutive naturals, for example, 66182 + ... + 66519.

It is an arithmetic number, because the mean of its divisors is an integer number (4047411).

Almost surely, 2^22426469 is an apocalyptic number.

It is an amenable number.

22426469 is a deficient number, since it is larger than the sum of its proper divisors (1857997).

22426469 is a wasteful number, since it uses less digits than its factorization.

22426469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132727 (or 132714 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 22426469 is about 4735.6592994007. The cubic root of 22426469 is about 282.0029382857.

The spelling of 22426469 in words is "twenty-two million, four hundred twenty-six thousand, four hundred sixty-nine".