22313242 has 16 divisors (see below), whose sum is σ = 39485952. Its totient is φ = 9254160.

The previous prime is 22313227. The next prime is 22313261. The reversal of 22313242 is 24231322.

It is a super-3 number, since 3×22313242³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25273 + ... + 26140.

It is an arithmetic number, because the mean of its divisors is an integer number (2467872).

Almost surely, 2^22313242 is an apocalyptic number.

22313242 is a deficient number, since it is larger than the sum of its proper divisors (17172710).

22313242 is a wasteful number, since it uses less digits than its factorization.

22313242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51453.

The product of its digits is 576, while the sum is 19.

The square root of 22313242 is about 4723.6894478786. The cubic root of 22313242 is about 281.5275441627.

Adding to 22313242 its reverse (24231322), we get a palindrome (46544564).

The spelling of 22313242 in words is "twenty-two million, three hundred thirteen thousand, two hundred forty-two".