22010842 has 8 divisors (see below), whose sum is σ = 37732896. Its totient is φ = 9433212.

The previous prime is 22010827. The next prime is 22010843. The reversal of 22010842 is 24801022.

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

It is not an unprimeable number, because it can be changed into a prime (22010843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 786088 + ... + 786115.

It is an arithmetic number, because the mean of its divisors is an integer number (4716612).

Almost surely, 2^22010842 is an apocalyptic number.

22010842 is a deficient number, since it is larger than the sum of its proper divisors (15722054).

22010842 is a wasteful number, since it uses less digits than its factorization.

22010842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572212.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 22010842 is about 4691.5713785469. The cubic root of 22010842 is about 280.2499553704.

Adding to 22010842 its reverse (24801022), we get a palindrome (46811864).

The spelling of 22010842 in words is "twenty-two million, ten thousand, eight hundred forty-two".