22445342 has 4 divisors (see below), whose sum is σ = 33668016. Its totient is φ = 11222670.

The previous prime is 22445323. The next prime is 22445351. The reversal of 22445342 is 24354422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24354422 = 2 ⋅12177211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611334 + ... + 5611337.

It is an arithmetic number, because the mean of its divisors is an integer number (8417004).

Almost surely, 2^22445342 is an apocalyptic number.

22445342 is a deficient number, since it is larger than the sum of its proper divisors (11222674).

22445342 is a wasteful number, since it uses less digits than its factorization.

22445342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222673.

The product of its digits is 7680, while the sum is 26.

The square root of 22445342 is about 4737.6515279197. The cubic root of 22445342 is about 282.0820226506.

Adding to 22445342 its reverse (24354422), we get a palindrome (46799764).

The spelling of 22445342 in words is "twenty-two million, four hundred forty-five thousand, three hundred forty-two".