22226730 has 16 divisors (see below), whose sum is σ = 53344224. Its totient is φ = 5927120.

The previous prime is 22226681. The next prime is 22226741. The reversal of 22226730 is 3762222.

It is a self number, because there is not a number n which added to its sum of digits gives 22226730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370416 + ... + 370475.

It is an arithmetic number, because the mean of its divisors is an integer number (3334014).

Almost surely, 2^22226730 is an apocalyptic number.

22226730 is an abundant number, since it is smaller than the sum of its proper divisors (31117494).

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

22226730 is a wasteful number, since it uses less digits than its factorization.

22226730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740901.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 22226730 is about 4714.5233057012. The cubic root of 22226730 is about 281.1632305171.

Adding to 22226730 its reverse (3762222), we get a palindrome (25988952).

The spelling of 22226730 in words is "twenty-two million, two hundred twenty-six thousand, seven hundred thirty".