22026469 has 6 divisors (see below), whose sum is σ = 22265394. Its totient is φ = 21790080.

The previous prime is 22026463. The next prime is 22026481. The reversal of 22026469 is 96462022.

It can be written as a sum of positive squares in 3 ways, for example, as 3648100 + 18378369 = 1910^2 + 4287^2 .

It is not a de Polignac number, because 22026469 - 2¹⁷ = 21895397 is a prime.

It is a super-2 number, since 2×22026469² = 970330673215922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22026469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026463) 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, 8239 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (3710899).

Almost surely, 2^22026469 is an apocalyptic number.

It is an amenable number.

22026469 is a deficient number, since it is larger than the sum of its proper divisors (238925).

22026469 is an frugal number, since it uses more digits than its factorization.

22026469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 22026469 is about 4693.2365165203. The cubic root of 22026469 is about 280.3162625421.

The spelling of 22026469 in words is "twenty-two million, twenty-six thousand, four hundred sixty-nine".