11223456669 has 6 divisors (see below), whose sum is σ = 16211659646. Its totient is φ = 7482304440.

The previous prime is 11223456667. The next prime is 11223456707. The reversal of 11223456669 is 96665432211.

It can be written as a sum of positive squares in only one way, i.e., 7271825625 + 3951631044 = 85275^2 + 62862^2 .

It is not a de Polignac number, because 11223456669 - 2¹ = 11223456667 is a prime.

It is a super-2 number, since 2×11223456669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223456667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623525362 + ... + 623525379.

Almost surely, 2^11223456669 is an apocalyptic number.

It is an amenable number.

11223456669 is a deficient number, since it is larger than the sum of its proper divisors (4988202977).

11223456669 is a wasteful number, since it uses less digits than its factorization.

11223456669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247050747 (or 1247050744 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 11223456669 in words is "eleven billion, two hundred twenty-three million, four hundred fifty-six thousand, six hundred sixty-nine".