22550822 has 8 divisors (see below), whose sum is σ = 38658576. Its totient is φ = 9664632.

The previous prime is 22550821. The next prime is 22550831. The reversal of 22550822 is 22805522.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22550791 and 22550800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22550821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805373 + ... + 805400.

It is an arithmetic number, because the mean of its divisors is an integer number (4832322).

Almost surely, 2^22550822 is an apocalyptic number.

22550822 is a deficient number, since it is larger than the sum of its proper divisors (16107754).

22550822 is a wasteful number, since it uses less digits than its factorization.

22550822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610782.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 22550822 is about 4748.7705777390. The cubic root of 22550822 is about 282.5232058625.

The spelling of 22550822 in words is "twenty-two million, five hundred fifty thousand, eight hundred twenty-two".