222412147 has 2 divisors, whose sum is σ = 222412148. Its totient is φ = 222412146.

The previous prime is 222412129. The next prime is 222412153. The reversal of 222412147 is 741214222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222412147 - 2¹⁵ = 222379379 is a prime.

It is not a weakly prime, because it can be changed into another prime (222412187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111206073 + 111206074.

It is an arithmetic number, because the mean of its divisors is an integer number (111206074).

Almost surely, 2^222412147 is an apocalyptic number.

222412147 is a deficient number, since it is larger than the sum of its proper divisors (1).

222412147 is an equidigital number, since it uses as much as digits as its factorization.

222412147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 25.

The square root of 222412147 is about 14913.4887601795. The cubic root of 222412147 is about 605.8793732535.

Adding to 222412147 its reverse (741214222), we get a palindrome (963626369).

The spelling of 222412147 in words is "two hundred twenty-two million, four hundred twelve thousand, one hundred forty-seven".