22843002 has 128 divisors (see below), whose sum is σ = 62705664. Its totient is φ = 5372928.

The previous prime is 22842977. The next prime is 22843013. The reversal of 22843002 is 20034822.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 22843002.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213433 + ... + 213539.

It is an arithmetic number, because the mean of its divisors is an integer number (489888).

Almost surely, 2^22843002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22843002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31352832).

22843002 is an abundant number, since it is smaller than the sum of its proper divisors (39862662).

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

22843002 is a wasteful number, since it uses less digits than its factorization.

22843002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22843002 is about 4779.4353222949. The cubic root of 22843002 is about 283.7381455326.

Adding to 22843002 its reverse (20034822), we get a palindrome (42877824).

The spelling of 22843002 in words is "twenty-two million, eight hundred forty-three thousand, two".