22323442 has 8 divisors (see below), whose sum is σ = 35247600. Its totient is φ = 10574244.

The previous prime is 22323439. The next prime is 22323451. The reversal of 22323442 is 24432322.

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

It is a super-3 number, since 3×22323442³ (a number of 23 digits) contains 333 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, 293692 + ... + 293767.

It is an arithmetic number, because the mean of its divisors is an integer number (4405950).

Almost surely, 2^22323442 is an apocalyptic number.

22323442 is a deficient number, since it is larger than the sum of its proper divisors (12924158).

22323442 is a wasteful number, since it uses less digits than its factorization.

22323442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587480.

The product of its digits is 2304, while the sum is 22.

The square root of 22323442 is about 4724.7689890618. The cubic root of 22323442 is about 281.5704356364.

Adding to 22323442 its reverse (24432322), we get a palindrome (46755764).

The spelling of 22323442 in words is "twenty-two million, three hundred twenty-three thousand, four hundred forty-two".