22502241 has 12 divisors (see below), whose sum is σ = 32760832. Its totient is φ = 14882616.

The previous prime is 22502239. The next prime is 22502273. The reversal of 22502241 is 14220522.

It is not a de Polignac number, because 22502241 - 2¹ = 22502239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22502141) 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, 8701 + ... + 10986.

Almost surely, 2^22502241 is an apocalyptic number.

It is an amenable number.

22502241 is a deficient number, since it is larger than the sum of its proper divisors (10258591).

22502241 is a wasteful number, since it uses less digits than its factorization.

22502241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19820 (or 19817 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22502241 is about 4743.6527065121. The cubic root of 22502241 is about 282.3201810720.

Adding to 22502241 its reverse (14220522), we get a palindrome (36722763).

The spelling of 22502241 in words is "twenty-two million, five hundred two thousand, two hundred forty-one".