22429469 has 4 divisors (see below), whose sum is σ = 22736796. Its totient is φ = 22122144.

The previous prime is 22429403. The next prime is 22429493. The reversal of 22429469 is 96492422.

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 18576100 + 3853369 = 4310^2 + 1963^2 .

It is a cyclic number.

It is not a de Polignac number, because 22429469 - 2¹² = 22425373 is a prime.

It is a super-2 number, since 2×22429469² = 1006162159243922, 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 (22429369) 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, 153554 + ... + 153699.

It is an arithmetic number, because the mean of its divisors is an integer number (5684199).

Almost surely, 2^22429469 is an apocalyptic number.

It is an amenable number.

22429469 is a deficient number, since it is larger than the sum of its proper divisors (307327).

22429469 is an equidigital number, since it uses as much as digits as its factorization.

22429469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307326.

The product of its digits is 62208, while the sum is 38.

The square root of 22429469 is about 4735.9760345677. The cubic root of 22429469 is about 282.0155122832.

It can be divided in two parts, 2242 and 9469, that added together give a palindrome (11711).

The spelling of 22429469 in words is "twenty-two million, four hundred twenty-nine thousand, four hundred sixty-nine".