22225032 has 24 divisors (see below), whose sum is σ = 60192990. Its totient is φ = 7408320.

The previous prime is 22225019. The next prime is 22225037. The reversal of 22225032 is 23052222.

It can be written as a sum of positive squares in only one way, i.e., 20304036 + 1920996 = 4506^2 + 1386^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22224996 and 22225014.

It is not an unprimeable number, because it can be changed into a prime (22225037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154269 + ... + 154412.

Almost surely, 2^22225032 is an apocalyptic number.

It is an amenable number.

22225032 is an abundant number, since it is smaller than the sum of its proper divisors (37967958).

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

22225032 is a wasteful number, since it uses less digits than its factorization.

22225032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308693 (or 308686 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 22225032 is about 4714.3432204285. The cubic root of 22225032 is about 281.1560705597.

Adding to 22225032 its reverse (23052222), we get a palindrome (45277254).

The spelling of 22225032 in words is "twenty-two million, two hundred twenty-five thousand, thirty-two".