22234442 has 8 divisors (see below), whose sum is σ = 33420000. Its totient is φ = 11094444.

The previous prime is 22234417. The next prime is 22234451. The reversal of 22234442 is 24443222.

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

It is a super-2 number, since 2×22234442² = 988740822102728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10142 + ... + 12137.

It is an arithmetic number, because the mean of its divisors is an integer number (4177500).

Almost surely, 2^22234442 is an apocalyptic number.

22234442 is a deficient number, since it is larger than the sum of its proper divisors (11185558).

22234442 is a wasteful number, since it uses less digits than its factorization.

22234442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22780.

The product of its digits is 3072, while the sum is 23.

The square root of 22234442 is about 4715.3411329404. The cubic root of 22234442 is about 281.1957451230.

Adding to 22234442 its reverse (24443222), we get a palindrome (46677664).

The spelling of 22234442 in words is "twenty-two million, two hundred thirty-four thousand, four hundred forty-two".