22550823 has 12 divisors (see below), whose sum is σ = 34489728. Its totient is φ = 14149440.

The previous prime is 22550821. The next prime is 22550831. The reversal of 22550823 is 32805522.

It is not a de Polignac number, because 22550823 - 2¹ = 22550821 is a prime.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73543 + ... + 73848.

It is an arithmetic number, because the mean of its divisors is an integer number (2874144).

Almost surely, 2^22550823 is an apocalyptic number.

22550823 is a deficient number, since it is larger than the sum of its proper divisors (11938905).

22550823 is a wasteful number, since it uses less digits than its factorization.

22550823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147414 (or 147411 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 22550823 is about 4748.7706830295. The cubic root of 22550823 is about 282.5232100386.

The spelling of 22550823 in words is "twenty-two million, five hundred fifty thousand, eight hundred twenty-three".