1225662223 has 2 divisors, whose sum is σ = 1225662224. Its totient is φ = 1225662222.

The previous prime is 1225662197. The next prime is 1225662227. The reversal of 1225662223 is 3222665221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225662223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225662227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612831111 + 612831112.

It is an arithmetic number, because the mean of its divisors is an integer number (612831112).

Almost surely, 2^1225662223 is an apocalyptic number.

1225662223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225662223 is an equidigital number, since it uses as much as digits as its factorization.

1225662223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 1225662223 is about 35009.4590503767. The cubic root of 1225662223 is about 1070.1802540823.

The spelling of 1225662223 in words is "one billion, two hundred twenty-five million, six hundred sixty-two thousand, two hundred twenty-three".