22522245 has 8 divisors (see below), whose sum is σ = 36035616. Its totient is φ = 12011856.

The previous prime is 22522219. The next prime is 22522271. The reversal of 22522245 is 54222522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22522219) and next prime (22522271).

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

It is not a de Polignac number, because 22522245 - 2¹⁹ = 21997957 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 750727 + ... + 750756.

It is an arithmetic number, because the mean of its divisors is an integer number (4504452).

Almost surely, 2^22522245 is an apocalyptic number.

It is an amenable number.

22522245 is a deficient number, since it is larger than the sum of its proper divisors (13513371).

22522245 is a wasteful number, since it uses less digits than its factorization.

22522245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501491.

The product of its digits is 3200, while the sum is 24.

The square root of 22522245 is about 4745.7607398604. The cubic root of 22522245 is about 282.4038151156.

Adding to 22522245 its reverse (54222522), we get a palindrome (76744767).

The spelling of 22522245 in words is "twenty-two million, five hundred twenty-two thousand, two hundred forty-five".