22023245 has 12 divisors (see below), whose sum is σ = 28075764. Its totient is φ = 16581120.

The previous prime is 22023241. The next prime is 22023247. The reversal of 22023245 is 54232022.

It can be written as a sum of positive squares in 6 ways, for example, as 3031081 + 18992164 = 1741^2 + 4358^2 .

It is not a de Polignac number, because 22023245 - 2² = 22023241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6176 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (2339647).

Almost surely, 2^22023245 is an apocalyptic number.

It is an amenable number.

22023245 is a deficient number, since it is larger than the sum of its proper divisors (6052519).

22023245 is a wasteful number, since it uses less digits than its factorization.

22023245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15280 (or 15263 counting only the distinct ones).

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

The square root of 22023245 is about 4692.8930309565. The cubic root of 22023245 is about 280.3025853048.

Adding to 22023245 its reverse (54232022), we get a palindrome (76255267).

The spelling of 22023245 in words is "twenty-two million, twenty-three thousand, two hundred forty-five".