22245502 has 8 divisors (see below), whose sum is σ = 33391512. Its totient is φ = 11115000.

The previous prime is 22245497. The next prime is 22245521. The reversal of 22245502 is 20554222.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877 + ... + 6727.

It is an arithmetic number, because the mean of its divisors is an integer number (4173939).

Almost surely, 2^22245502 is an apocalyptic number.

22245502 is a deficient number, since it is larger than the sum of its proper divisors (11146010).

22245502 is a wasteful number, since it uses less digits than its factorization.

22245502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 22245502 is about 4716.5137548829. The cubic root of 22245502 is about 281.2423621300.

Adding to 22245502 its reverse (20554222), we get a palindrome (42799724).

The spelling of 22245502 in words is "twenty-two million, two hundred forty-five thousand, five hundred two".