22570147 has 2 divisors, whose sum is σ = 22570148. Its totient is φ = 22570146.

The previous prime is 22570127. The next prime is 22570151. The reversal of 22570147 is 74107522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22570147 - 2⁷ = 22570019 is a prime.

It is not a weakly prime, because it can be changed into another prime (22570127) 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 as a sum of consecutive naturals, namely, 11285073 + 11285074.

It is an arithmetic number, because the mean of its divisors is an integer number (11285074).

Almost surely, 2^22570147 is an apocalyptic number.

22570147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22570147 is an equidigital number, since it uses as much as digits as its factorization.

22570147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 22570147 is about 4750.8048791757. The cubic root of 22570147 is about 282.6038858796.

Adding to 22570147 its reverse (74107522), we get a palindrome (96677669).

The spelling of 22570147 in words is "twenty-two million, five hundred seventy thousand, one hundred forty-seven".