22040822 has 4 divisors (see below), whose sum is σ = 33061236. Its totient is φ = 11020410.

The previous prime is 22040803. The next prime is 22040833. The reversal of 22040822 is 22804022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22804022 = 2 ⋅11402011.

It is a junction number, because it is equal to n+sod(n) for n = 22040794 and 22040803.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5510204 + ... + 5510207.

It is an arithmetic number, because the mean of its divisors is an integer number (8265309).

Almost surely, 2^22040822 is an apocalyptic number.

22040822 is a deficient number, since it is larger than the sum of its proper divisors (11020414).

22040822 is a wasteful number, since it uses less digits than its factorization.

22040822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020413.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 22040822 is about 4694.7653828493. The cubic root of 22040822 is about 280.3771363589.

Adding to 22040822 its reverse (22804022), we get a palindrome (44844844).

The spelling of 22040822 in words is "twenty-two million, forty thousand, eight hundred twenty-two".