24222402 has 20 divisors (see below), whose sum is σ = 54276486. Its totient is φ = 8074080.

The previous prime is 24222379. The next prime is 24222403. The reversal of 24222402 is 20422242.

24222402 is a `hidden beast` number, since 2 + 422 + 240 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14356521 + 9865881 = 3789^2 + 3141^2 .

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

It is not an unprimeable number, because it can be changed into a prime (24222403) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 74599 + ... + 74922.

Almost surely, 2^24222402 is an apocalyptic number.

24222402 is an abundant number, since it is smaller than the sum of its proper divisors (30054084).

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

24222402 is a wasteful number, since it uses less digits than its factorization.

24222402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149535 (or 149526 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 24222402 is about 4921.6259508419. The cubic root of 24222402 is about 289.3381736727.

Adding to 24222402 its reverse (20422242), we get a palindrome (44644644).

It can be divided in two parts, 2422240 and 2, that added together give a palindrome (2422242).

The spelling of 24222402 in words is "twenty-four million, two hundred twenty-two thousand, four hundred two".