22530846 has 64 divisors (see below), whose sum is σ = 53383680. Its totient is φ = 6272640.

The previous prime is 22530829. The next prime is 22530847. The reversal of 22530846 is 64803522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22530847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33756 + ... + 34416.

It is an arithmetic number, because the mean of its divisors is an integer number (834120).

Almost surely, 2^22530846 is an apocalyptic number.

22530846 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22530846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26691840).

22530846 is an abundant number, since it is smaller than the sum of its proper divisors (30852834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22530846 is a wasteful number, since it uses less digits than its factorization.

22530846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 22530846 is about 4746.6668305243. Note that the first 3 decimals coincide. The cubic root of 22530846 is about 282.4397595206.

The spelling of 22530846 in words is "twenty-two million, five hundred thirty thousand, eight hundred forty-six".