22327040 has 36 divisors (see below), whose sum is σ = 53483304. Its totient is φ = 8930304.

The previous prime is 22327007. The next prime is 22327051. The reversal of 22327040 is 4072322.

It is a happy number.

It is a super-3 number, since 3×22327040³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7442 + ... + 10001.

Almost surely, 2^22327040 is an apocalyptic number.

22327040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22327040 is an abundant number, since it is smaller than the sum of its proper divisors (31156264).

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

22327040 is an equidigital number, since it uses as much as digits as its factorization.

22327040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17464 (or 17450 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22327040 is about 4725.1497330772. The cubic root of 22327040 is about 281.5855622763.

Adding to 22327040 its reverse (4072322), we get a palindrome (26399362).

The spelling of 22327040 in words is "twenty-two million, three hundred twenty-seven thousand, forty".