22027872 has 48 divisors (see below), whose sum is σ = 58106160. Its totient is φ = 7306752.

The previous prime is 22027867. The next prime is 22027877. The reversal of 22027872 is 27872022.

It is an interprime number because it is at equal distance from previous prime (22027867) and next prime (22027877).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22027877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25398 + ... + 26250.

It is an arithmetic number, because the mean of its divisors is an integer number (1210545).

Almost surely, 2^22027872 is an apocalyptic number.

It is an amenable number.

22027872 is an abundant number, since it is smaller than the sum of its proper divisors (36078288).

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

22027872 is a wasteful number, since it uses less digits than its factorization.

22027872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 22027872 is about 4693.3859845532. The cubic root of 22027872 is about 280.3222140992.

Adding to 22027872 its reverse (27872022), we get a palindrome (49899894).

The spelling of 22027872 in words is "twenty-two million, twenty-seven thousand, eight hundred seventy-two".