24226220 has 12 divisors (see below), whose sum is σ = 50875104. Its totient is φ = 9690480.

The previous prime is 24226193. The next prime is 24226229. The reversal of 24226220 is 2262242.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1211311 = 24226220 / (2 + 4 + 2 + 2 + 6 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 24226192 and 24226201.

It is not an unprimeable number, because it can be changed into a prime (24226229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605636 + ... + 605675.

It is an arithmetic number, because the mean of its divisors is an integer number (4239592).

Almost surely, 2^24226220 is an apocalyptic number.

24226220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24226220 is an abundant number, since it is smaller than the sum of its proper divisors (26648884).

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

24226220 is a wasteful number, since it uses less digits than its factorization.

24226220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211320 (or 1211318 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 24226220 is about 4922.0138155028. The cubic root of 24226220 is about 289.3533749605.

Adding to 24226220 its reverse (2262242), we get a palindrome (26488462).

It can be divided in two parts, 242 and 26220, that added together give a palindrome (26462).

The spelling of 24226220 in words is "twenty-four million, two hundred twenty-six thousand, two hundred twenty".