22426822 has 32 divisors (see below), whose sum is σ = 38041344. Its totient is φ = 9828000.

The previous prime is 22426819. The next prime is 22426861. The reversal of 22426822 is 22862422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142768 + ... + 142924.

It is an arithmetic number, because the mean of its divisors is an integer number (1188792).

Almost surely, 2^22426822 is an apocalyptic number.

22426822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22426822 is a deficient number, since it is larger than the sum of its proper divisors (15614522).

22426822 is a wasteful number, since it uses less digits than its factorization.

22426822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its digits is 6144, while the sum is 28.

The square root of 22426822 is about 4735.6965696717. The cubic root of 22426822 is about 282.0044178843.

Subtracting 22426822 from its reverse (22862422), we obtain a square (435600 = 660²).

The spelling of 22426822 in words is "twenty-two million, four hundred twenty-six thousand, eight hundred twenty-two".