22153147 has 2 divisors, whose sum is σ = 22153148. Its totient is φ = 22153146.

The previous prime is 22153139. The next prime is 22153177. The reversal of 22153147 is 74135122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22153147 - 2³ = 22153139 is a prime.

It is not a weakly prime, because it can be changed into another prime (22153177) 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, 11076573 + 11076574.

It is an arithmetic number, because the mean of its divisors is an integer number (11076574).

Almost surely, 2^22153147 is an apocalyptic number.

22153147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22153147 is an equidigital number, since it uses as much as digits as its factorization.

22153147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 25.

The square root of 22153147 is about 4706.7129719158. The cubic root of 22153147 is about 280.8526179253.

Adding to 22153147 its reverse (74135122), we get a palindrome (96288269).

The spelling of 22153147 in words is "twenty-two million, one hundred fifty-three thousand, one hundred forty-seven".