22225047 has 24 divisors (see below), whose sum is σ = 33031152. Its totient is φ = 13213440.

The previous prime is 22225043. The next prime is 22225081. The reversal of 22225047 is 74052222.

It is not a de Polignac number, because 22225047 - 2² = 22225043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22225043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37183 + ... + 37775.

It is an arithmetic number, because the mean of its divisors is an integer number (1376298).

Almost surely, 2^22225047 is an apocalyptic number.

22225047 is a deficient number, since it is larger than the sum of its proper divisors (10806105).

22225047 is a wasteful number, since it uses less digits than its factorization.

22225047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22225047 is about 4714.3448113179. The cubic root of 22225047 is about 281.1561338118.

Adding to 22225047 its reverse (74052222), we get a palindrome (96277269).

The spelling of 22225047 in words is "twenty-two million, two hundred twenty-five thousand, forty-seven".