22226045 has 8 divisors (see below), whose sum is σ = 26740824. Its totient is φ = 17734464.

The previous prime is 22226033. The next prime is 22226047. The reversal of 22226045 is 54062222.

It can be written as a sum of positive squares in 4 ways, for example, as 1532644 + 20693401 = 1238^2 + 4549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22226045 - 2¹² = 22221949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22226045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22226047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3614 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (3342603).

Almost surely, 2^22226045 is an apocalyptic number.

It is an amenable number.

22226045 is a deficient number, since it is larger than the sum of its proper divisors (4514779).

22226045 is a wasteful number, since it uses less digits than its factorization.

22226045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 22226045 is about 4714.4506572877. The cubic root of 22226045 is about 281.1603421212.

Adding to 22226045 its reverse (54062222), we get a palindrome (76288267).

The spelling of 22226045 in words is "twenty-two million, two hundred twenty-six thousand, forty-five".