22841812 has 48 divisors (see below), whose sum is σ = 49448448. Its totient is φ = 9008640.

The previous prime is 22841809. The next prime is 22841827. The reversal of 22841812 is 21814822.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 21862 + ... + 22882.

It is an arithmetic number, because the mean of its divisors is an integer number (1030176).

Almost surely, 2^22841812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22841812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24724224).

22841812 is an abundant number, since it is smaller than the sum of its proper divisors (26606636).

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

22841812 is a wasteful number, since it uses less digits than its factorization.

22841812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1094 counting only the distinct ones).

The product of its digits is 2048, while the sum is 28.

The square root of 22841812 is about 4779.3108289794. The cubic root of 22841812 is about 283.7332183597.

It can be divided in two parts, 22841 and 812, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 22841812 in words is "twenty-two million, eight hundred forty-one thousand, eight hundred twelve".