1225222007 has 2 divisors, whose sum is σ = 1225222008. Its totient is φ = 1225222006.

The previous prime is 1225222001. The next prime is 1225222043. The reversal of 1225222007 is 7002225221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225222007 - 2²⁴ = 1208444791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225222001) 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, 612611003 + 612611004.

It is an arithmetic number, because the mean of its divisors is an integer number (612611004).

Almost surely, 2^1225222007 is an apocalyptic number.

1225222007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225222007 is an equidigital number, since it uses as much as digits as its factorization.

1225222007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1225222007 is about 35003.1713848903. The cubic root of 1225222007 is about 1070.0521146772.

Adding to 1225222007 its reverse (7002225221), we get a palindrome (8227447228).

The spelling of 1225222007 in words is "one billion, two hundred twenty-five million, two hundred twenty-two thousand, seven".