22061822 has 4 divisors (see below), whose sum is σ = 33092736. Its totient is φ = 11030910.

The previous prime is 22061821. The next prime is 22061857. The reversal of 22061822 is 22816022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061821) by changing a digit.

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, 5515454 + ... + 5515457.

It is an arithmetic number, because the mean of its divisors is an integer number (8273184).

Almost surely, 2^22061822 is an apocalyptic number.

22061822 is a deficient number, since it is larger than the sum of its proper divisors (11030914).

22061822 is a wasteful number, since it uses less digits than its factorization.

22061822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11030913.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 22061822 is about 4697.0013838618. The cubic root of 22061822 is about 280.4661537724.

Adding to 22061822 its reverse (22816022), we get a palindrome (44877844).

The spelling of 22061822 in words is "twenty-two million, sixty-one thousand, eight hundred twenty-two".