22575151 has 2 divisors, whose sum is σ = 22575152. Its totient is φ = 22575150.

The previous prime is 22575149. The next prime is 22575209. The reversal of 22575151 is 15157522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22575151 - 2¹ = 22575149 is a prime.

Together with 22575149, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22575251) 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 as a sum of consecutive naturals, namely, 11287575 + 11287576.

It is an arithmetic number, because the mean of its divisors is an integer number (11287576).

Almost surely, 2^22575151 is an apocalyptic number.

22575151 is a deficient number, since it is larger than the sum of its proper divisors (1).

22575151 is an equidigital number, since it uses as much as digits as its factorization.

22575151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3500, while the sum is 28.

The square root of 22575151 is about 4751.3314975910. The cubic root of 22575151 is about 282.6247695915.

The spelling of 22575151 in words is "twenty-two million, five hundred seventy-five thousand, one hundred fifty-one".