22252252 has 48 divisors (see below), whose sum is σ = 45722880. Its totient is φ = 9363200.

The previous prime is 22252229. The next prime is 22252261. The reversal of 22252252 is 25225222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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, 52899 + ... + 53317.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^22252252 is an apocalyptic number.

22252252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22252252 is an abundant number, since it is smaller than the sum of its proper divisors (23470628).

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

22252252 is a wasteful number, since it uses less digits than its factorization.

22252252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 520 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 22252252 is about 4717.2292715110. The cubic root of 22252252 is about 281.2708052428.

Adding to 22252252 its reverse (25225222), we get a palindrome (47477474).

The spelling of 22252252 in words is "twenty-two million, two hundred fifty-two thousand, two hundred fifty-two".