24122220 has 24 divisors (see below), whose sum is σ = 67542384. Its totient is φ = 6432576.

The previous prime is 24122177. The next prime is 24122221. The reversal of 24122220 is 2222142.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 24122220.

It is not an unprimeable number, because it can be changed into a prime (24122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200959 + ... + 201078.

It is an arithmetic number, because the mean of its divisors is an integer number (2814266).

Almost surely, 2^24122220 is an apocalyptic number.

24122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24122220 is an abundant number, since it is smaller than the sum of its proper divisors (43420164).

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

24122220 is a wasteful number, since it uses less digits than its factorization.

24122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402049 (or 402047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 24122220 is about 4911.4376713952. The cubic root of 24122220 is about 288.9387289639.

Adding to 24122220 its reverse (2222142), we get a palindrome (26344362).

It can be divided in two parts, 24122 and 220, that added together give a palindrome (24342).

The spelling of 24122220 in words is "twenty-four million, one hundred twenty-two thousand, two hundred twenty".