22326340 has 12 divisors (see below), whose sum is σ = 46885356. Its totient is φ = 8930528.

The previous prime is 22326329. The next prime is 22326341. The reversal of 22326340 is 4362322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15100996 + 7225344 = 3886^2 + 2688^2 .

It is a super-3 number, since 3×22326340³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22326341) 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, 558139 + ... + 558178.

It is an arithmetic number, because the mean of its divisors is an integer number (3907113).

Almost surely, 2^22326340 is an apocalyptic number.

22326340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22326340 is an abundant number, since it is smaller than the sum of its proper divisors (24559016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22326340 is a wasteful number, since it uses less digits than its factorization.

22326340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116326 (or 1116324 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 22326340 is about 4725.0756607699. The cubic root of 22326340 is about 281.5826194776.

Adding to 22326340 its reverse (4362322), we get a palindrome (26688662).

The spelling of 22326340 in words is "twenty-two million, three hundred twenty-six thousand, three hundred forty".