22223045 has 16 divisors (see below), whose sum is σ = 29390592. Its totient is φ = 16027200.

The previous prime is 22223039. The next prime is 22223053. The reversal of 22223045 is 54032222.

It is not a de Polignac number, because 22223045 - 2⁸ = 22222789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1181 + ... + 6770.

It is an arithmetic number, because the mean of its divisors is an integer number (1836912).

Almost surely, 2^22223045 is an apocalyptic number.

It is an amenable number.

22223045 is a deficient number, since it is larger than the sum of its proper divisors (7167547).

22223045 is a wasteful number, since it uses less digits than its factorization.

22223045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8012.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22223045 is about 4714.1324758645. The cubic root of 22223045 is about 281.1476915127.

Adding to 22223045 its reverse (54032222), we get a palindrome (76255267).

The spelling of 22223045 in words is "twenty-two million, two hundred twenty-three thousand, forty-five".