22436242 has 8 divisors (see below), whose sum is σ = 33869196. Its totient is φ = 11146512.

The previous prime is 22436231. The next prime is 22436257. The reversal of 22436242 is 24263422.

It can be written as a sum of positive squares in 2 ways, for example, as 22268961 + 167281 = 4719^2 + 409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35413 + ... + 36040.

Almost surely, 2^22436242 is an apocalyptic number.

22436242 is a deficient number, since it is larger than the sum of its proper divisors (11432954).

22436242 is a wasteful number, since it uses less digits than its factorization.

22436242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71612.

The product of its digits is 4608, while the sum is 25.

The square root of 22436242 is about 4736.6910391116. The cubic root of 22436242 is about 282.0438960557.

Adding to 22436242 its reverse (24263422), we get a palindrome (46699664).

The spelling of 22436242 in words is "twenty-two million, four hundred thirty-six thousand, two hundred forty-two".