22030272 has 224 divisors, whose sum is σ = 75590400. Its totient is φ = 6220800.

The previous prime is 22030271. The next prime is 22030273. The reversal of 22030272 is 27203022.

It is an interprime number because it is at equal distance from previous prime (22030271) and next prime (22030273).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 361122 + ... + 361182.

Almost surely, 2^22030272 is an apocalyptic number.

22030272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22030272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37795200).

22030272 is an abundant number, since it is smaller than the sum of its proper divisors (53560128).

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

22030272 is a wasteful number, since it uses less digits than its factorization.

22030272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 22030272 is about 4693.6416565392. The cubic root of 22030272 is about 280.3323943666.

Adding to 22030272 its reverse (27203022), we get a palindrome (49233294).

The spelling of 22030272 in words is "twenty-two million, thirty thousand, two hundred seventy-two".