22527151 has 2 divisors, whose sum is σ = 22527152. Its totient is φ = 22527150.

The previous prime is 22527149. The next prime is 22527181. The reversal of 22527151 is 15172522.

22527151 is nontrivially palindromic in base 12.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22527151 - 2¹ = 22527149 is a prime.

Together with 22527149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22527121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11263575 + 11263576.

It is an arithmetic number, because the mean of its divisors is an integer number (11263576).

Almost surely, 2^22527151 is an apocalyptic number.

22527151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22527151 is an equidigital number, since it uses as much as digits as its factorization.

22527151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 25.

The square root of 22527151 is about 4746.2775940731. The cubic root of 22527151 is about 282.4243188817.

Adding to 22527151 its reverse (15172522), we get a palindrome (37699673).

It can be divided in two parts, 225271 and 51, that multiplied together give a triangular number (11488821 = T₄₇₉₃).

The spelling of 22527151 in words is "twenty-two million, five hundred twenty-seven thousand, one hundred fifty-one".