22049822 has 4 divisors (see below), whose sum is σ = 33074736. Its totient is φ = 11024910.

The previous prime is 22049821. The next prime is 22049837. The reversal of 22049822 is 22894022.

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 (22049821) by changing a digit.

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, 5512454 + ... + 5512457.

It is an arithmetic number, because the mean of its divisors is an integer number (8268684).

Almost surely, 2^22049822 is an apocalyptic number.

22049822 is a deficient number, since it is larger than the sum of its proper divisors (11024914).

22049822 is a wasteful number, since it uses less digits than its factorization.

22049822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11024913.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22049822 is about 4695.7237993732. The cubic root of 22049822 is about 280.4152935995.

The spelling of 22049822 in words is "twenty-two million, forty-nine thousand, eight hundred twenty-two".