24402122 has 4 divisors (see below), whose sum is σ = 36603186. Its totient is φ = 12201060.

The previous prime is 24402121. The next prime is 24402143. The reversal of 24402122 is 22120442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18931201 + 5470921 = 4351^2 + 2339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 24402122.

It is not an unprimeable number, because it can be changed into a prime (24402121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100529 + ... + 6100532.

Almost surely, 2^24402122 is an apocalyptic number.

24402122 is a deficient number, since it is larger than the sum of its proper divisors (12201064).

24402122 is a wasteful number, since it uses less digits than its factorization.

24402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12201063.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 24402122 is about 4939.8504025932. The cubic root of 24402122 is about 290.0520001877.

Adding to 24402122 its reverse (22120442), we get a palindrome (46522564).

The spelling of 24402122 in words is "twenty-four million, four hundred two thousand, one hundred twenty-two".