22553245 has 16 divisors (see below), whose sum is σ = 31796352. Its totient is φ = 15140160.

The previous prime is 22553243. The next prime is 22553269. The reversal of 22553245 is 54235522.

It is not a de Polignac number, because 22553245 - 2¹ = 22553243 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 (22553243) by changing a digit.

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, 15057 + ... + 16486.

It is an arithmetic number, because the mean of its divisors is an integer number (1987272).

Almost surely, 2^22553245 is an apocalyptic number.

It is an amenable number.

22553245 is a deficient number, since it is larger than the sum of its proper divisors (9243107).

22553245 is a wasteful number, since it uses less digits than its factorization.

22553245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31572.

The product of its digits is 12000, while the sum is 28.

The square root of 22553245 is about 4749.0256895494. The cubic root of 22553245 is about 282.5333241812.

Adding to 22553245 its reverse (54235522), we get a palindrome (76788767).

The spelling of 22553245 in words is "twenty-two million, five hundred fifty-three thousand, two hundred forty-five".