22030551 has 12 divisors (see below), whose sum is σ = 32120712. Its totient is φ = 14549136.

The previous prime is 22030531. The next prime is 22030579. The reversal of 22030551 is 15503022.

It is a happy number.

It is not a de Polignac number, because 22030551 - 2⁹ = 22030039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030511) 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 11 ways as a sum of consecutive naturals, for example, 10476 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (2676726).

Almost surely, 2^22030551 is an apocalyptic number.

22030551 is a deficient number, since it is larger than the sum of its proper divisors (10090161).

22030551 is a wasteful number, since it uses less digits than its factorization.

22030551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22990 (or 22987 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 22030551 is about 4693.6713775040. The cubic root of 22030551 is about 280.3335777747. Note that the first 3 decimals are identical.

Adding to 22030551 its reverse (15503022), we get a palindrome (37533573).

The spelling of 22030551 in words is "twenty-two million, thirty thousand, five hundred fifty-one".