22324040 has 32 divisors (see below), whose sum is σ = 50501880. Its totient is φ = 8881152.

The previous prime is 22324039. The next prime is 22324079. The reversal of 22324040 is 4042322.

It can be written as a sum of positive squares in 4 ways, for example, as 21473956 + 850084 = 4634^2 + 922^2 .

It is a super-3 number, since 3×22324040³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6464 + ... + 9296.

Almost surely, 2^22324040 is an apocalyptic number.

22324040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22324040 is an abundant number, since it is smaller than the sum of its proper divisors (28177840).

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

22324040 is a wasteful number, since it uses less digits than its factorization.

22324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22324040 is about 4724.8322721553. The cubic root of 22324040 is about 281.5729498487.

Adding to 22324040 its reverse (4042322), we get a palindrome (26366362).

The spelling of 22324040 in words is "twenty-two million, three hundred twenty-four thousand, forty".