22852812 has 48 divisors (see below), whose sum is σ = 55812960. Its totient is φ = 7268352.

The previous prime is 22852807. The next prime is 22852813. The reversal of 22852812 is 21825822.

It is a self number, because there is not a number n which added to its sum of digits gives 22852812.

It is not an unprimeable number, because it can be changed into a prime (22852813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33418 + ... + 34094.

It is an arithmetic number, because the mean of its divisors is an integer number (1162770).

Almost surely, 2^22852812 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 22852812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27906480).

22852812 is an abundant number, since it is smaller than the sum of its proper divisors (32960148).

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

22852812 is a wasteful number, since it uses less digits than its factorization.

22852812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 808 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 22852812 is about 4780.4614839992. The cubic root of 22852812 is about 283.7787571364.

It can be divided in two parts, 228528 and 12, that multiplied together give a square (2742336 = 1656²).

The spelling of 22852812 in words is "twenty-two million, eight hundred fifty-two thousand, eight hundred twelve".