22263252 has 48 divisors (see below), whose sum is σ = 56996352. Its totient is φ = 6707680.

The previous prime is 22263223. The next prime is 22263259. The reversal of 22263252 is 25236222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22263259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29593 + ... + 30335.

It is an arithmetic number, because the mean of its divisors is an integer number (1187424).

Almost surely, 2^22263252 is an apocalyptic number.

22263252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22263252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28498176).

22263252 is an abundant number, since it is smaller than the sum of its proper divisors (34733100).

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

22263252 is a wasteful number, since it uses less digits than its factorization.

22263252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 986 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 22263252 is about 4718.3950661215. The cubic root of 22263252 is about 281.3171446602.

Adding to 22263252 its reverse (25236222), we get a palindrome (47499474).

The spelling of 22263252 in words is "twenty-two million, two hundred sixty-three thousand, two hundred fifty-two".