22225342 has 4 divisors (see below), whose sum is σ = 33338016. Its totient is φ = 11112670.

The previous prime is 22225309. The next prime is 22225369. The reversal of 22225342 is 24352222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5556334 + ... + 5556337.

It is an arithmetic number, because the mean of its divisors is an integer number (8334504).

Almost surely, 2^22225342 is an apocalyptic number.

22225342 is a deficient number, since it is larger than the sum of its proper divisors (11112674).

22225342 is a wasteful number, since it uses less digits than its factorization.

22225342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112673.

The product of its digits is 1920, while the sum is 22.

The square root of 22225342 is about 4714.3760987007. The cubic root of 22225342 is about 281.1573777640.

Adding to 22225342 its reverse (24352222), we get a palindrome (46577564).

The spelling of 22225342 in words is "twenty-two million, two hundred twenty-five thousand, three hundred forty-two".