22245044 has 12 divisors (see below), whose sum is σ = 41218884. Its totient is φ = 10468224.

The previous prime is 22245037. The next prime is 22245049. The reversal of 22245044 is 44054222.

It can be written as a sum of positive squares in 2 ways, for example, as 7896100 + 14348944 = 2810^2 + 3788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163499 + ... + 163634.

It is an arithmetic number, because the mean of its divisors is an integer number (3434907).

Almost surely, 2^22245044 is an apocalyptic number.

It is an amenable number.

22245044 is a deficient number, since it is larger than the sum of its proper divisors (18973840).

22245044 is a wasteful number, since it uses less digits than its factorization.

22245044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327154 (or 327152 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 22245044 is about 4716.4652018222. The cubic root of 22245044 is about 281.2404320037.

Adding to 22245044 its reverse (44054222), we get a palindrome (66299266).

The spelling of 22245044 in words is "twenty-two million, two hundred forty-five thousand, forty-four".