22700147 has 2 divisors, whose sum is σ = 22700148. Its totient is φ = 22700146.

The previous prime is 22700141. The next prime is 22700177. The reversal of 22700147 is 74100722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22700147 - 2⁴ = 22700131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22700141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11350073 + 11350074.

It is an arithmetic number, because the mean of its divisors is an integer number (11350074).

Almost surely, 2^22700147 is an apocalyptic number.

22700147 is a deficient number, since it is larger than the sum of its proper divisors (1).

22700147 is an equidigital number, since it uses as much as digits as its factorization.

22700147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 22700147 is about 4764.4671265526. The cubic root of 22700147 is about 283.1454300452.

Adding to 22700147 its reverse (74100722), we get a palindrome (96800869).

The spelling of 22700147 in words is "twenty-two million, seven hundred thousand, one hundred forty-seven".