1225534223 has 2 divisors, whose sum is σ = 1225534224. Its totient is φ = 1225534222.

The previous prime is 1225534217. The next prime is 1225534241. The reversal of 1225534223 is 3224355221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225534223 - 2⁶ = 1225534159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225534283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612767111 + 612767112.

It is an arithmetic number, because the mean of its divisors is an integer number (612767112).

Almost surely, 2^1225534223 is an apocalyptic number.

1225534223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225534223 is an equidigital number, since it uses as much as digits as its factorization.

1225534223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 29.

The square root of 1225534223 is about 35007.6309252711. The cubic root of 1225534223 is about 1070.1429986191.

Adding to 1225534223 its reverse (3224355221), we get a palindrome (4449889444).

The spelling of 1225534223 in words is "one billion, two hundred twenty-five million, five hundred thirty-four thousand, two hundred twenty-three".