1225342207 has 2 divisors, whose sum is σ = 1225342208. Its totient is φ = 1225342206.

The previous prime is 1225342193. The next prime is 1225342213. The reversal of 1225342207 is 7022435221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225342207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225349207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612671103 + 612671104.

It is an arithmetic number, because the mean of its divisors is an integer number (612671104).

Almost surely, 2^1225342207 is an apocalyptic number.

1225342207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225342207 is an equidigital number, since it uses as much as digits as its factorization.

1225342207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1225342207 is about 35004.8883300604. Note that the first 3 decimals coincide. The cubic root of 1225342207 is about 1070.0871059026.

Adding to 1225342207 its reverse (7022435221), we get a palindrome (8247777428).

The spelling of 1225342207 in words is "one billion, two hundred twenty-five million, three hundred forty-two thousand, two hundred seven".