22253562 has 32 divisors (see below), whose sum is σ = 49944960. Its totient is φ = 7344000.

The previous prime is 22253557. The next prime is 22253591. The reversal of 22253562 is 26535222.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 3562 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (1560780).

Almost surely, 2^22253562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22253562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24972480).

22253562 is an abundant number, since it is smaller than the sum of its proper divisors (27691398).

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

22253562 is a wasteful number, since it uses less digits than its factorization.

22253562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4109 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 22253562 is about 4717.3681221630. The cubic root of 22253562 is about 281.2763246471.

Adding to 22253562 its reverse (26535222), we get a palindrome (48788784).

The spelling of 22253562 in words is "twenty-two million, two hundred fifty-three thousand, five hundred sixty-two".