22530051 has 6 divisors (see below), whose sum is σ = 32543420. Its totient is φ = 15020028.

The previous prime is 22530037. The next prime is 22530073. The reversal of 22530051 is 15003522.

It is a happy number.

It is not a de Polignac number, because 22530051 - 2⁶ = 22529987 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (22530091) 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 5 ways as a sum of consecutive naturals, for example, 1251661 + ... + 1251678.

Almost surely, 2^22530051 is an apocalyptic number.

22530051 is a deficient number, since it is larger than the sum of its proper divisors (10013369).

22530051 is a wasteful number, since it uses less digits than its factorization.

22530051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503345 (or 2503342 counting only the distinct ones).

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

The square root of 22530051 is about 4746.5830868110. The cubic root of 22530051 is about 282.4364375229.

Adding to 22530051 its reverse (15003522), we get a palindrome (37533573).

It can be divided in two parts, 225 and 30051, that added together give a square (30276 = 174²).

The spelling of 22530051 in words is "twenty-two million, five hundred thirty thousand, fifty-one".