22225602 has 16 divisors (see below), whose sum is σ = 50801472. Its totient is φ = 6350160.

The previous prime is 22225601. The next prime is 22225607. The reversal of 22225602 is 20652222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22225601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264549 + ... + 264632.

It is an arithmetic number, because the mean of its divisors is an integer number (3175092).

Almost surely, 2^22225602 is an apocalyptic number.

22225602 is an abundant number, since it is smaller than the sum of its proper divisors (28575870).

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

22225602 is a wasteful number, since it uses less digits than its factorization.

22225602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529193.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22225602 is about 4714.4036738489. The cubic root of 22225602 is about 281.1584741196.

Adding to 22225602 its reverse (20652222), we get a palindrome (42877824).

The spelling of 22225602 in words is "twenty-two million, two hundred twenty-five thousand, six hundred two".