22613242 has 8 divisors (see below), whose sum is σ = 33942132. Its totient is φ = 11299200.

The previous prime is 22613203. The next prime is 22613299. The reversal of 22613242 is 24231622.

It can be written as a sum of positive squares in 2 ways, for example, as 22477081 + 136161 = 4741^2 + 369^2 .

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

It is a super-2 number, since 2×22613242² = 1022717427501128, which contains 22 as substring.

It is an unprimeable number.

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, 1642 + ... + 6922.

Almost surely, 2^22613242 is an apocalyptic number.

22613242 is a deficient number, since it is larger than the sum of its proper divisors (11328890).

22613242 is a wasteful number, since it uses less digits than its factorization.

22613242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424.

The product of its digits is 1152, while the sum is 22.

The square root of 22613242 is about 4755.3382634677. The cubic root of 22613242 is about 282.7836376455.

Adding to 22613242 its reverse (24231622), we get a palindrome (46844864).

The spelling of 22613242 in words is "twenty-two million, six hundred thirteen thousand, two hundred forty-two".