22063272 has 64 divisors (see below), whose sum is σ = 68774400. Its totient is φ = 5730240.

The previous prime is 22063271. The next prime is 22063291. The reversal of 22063272 is 27236022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22063271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4122 + ... + 7817.

It is an arithmetic number, because the mean of its divisors is an integer number (1074600).

Almost surely, 2^22063272 is an apocalyptic number.

22063272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22063272 is an abundant number, since it is smaller than the sum of its proper divisors (46711128).

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

22063272 is a wasteful number, since it uses less digits than its factorization.

22063272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966 (or 11962 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 22063272 is about 4697.1557351231. The cubic root of 22063272 is about 280.4722981276.

Adding to 22063272 its reverse (27236022), we get a palindrome (49299294).

The spelling of 22063272 in words is "twenty-two million, sixty-three thousand, two hundred seventy-two".