22552011 has 6 divisors (see below), whose sum is σ = 32575140. Its totient is φ = 15034668.

The previous prime is 22551961. The next prime is 22552037. The reversal of 22552011 is 11025522.

It is not a de Polignac number, because 22552011 - 2¹⁰ = 22550987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22554011) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1252881 + ... + 1252898.

It is an arithmetic number, because the mean of its divisors is an integer number (5429190).

Almost surely, 2^22552011 is an apocalyptic number.

22552011 is a deficient number, since it is larger than the sum of its proper divisors (10023129).

22552011 is a wasteful number, since it uses less digits than its factorization.

22552011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505785 (or 2505782 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 22552011 is about 4748.8957663861. The cubic root of 22552011 is about 282.5281711536.

Adding to 22552011 its reverse (11025522), we get a palindrome (33577533).

The spelling of 22552011 in words is "twenty-two million, five hundred fifty-two thousand, eleven".