1225505223 has 12 divisors (see below), whose sum is σ = 1770809040. Its totient is φ = 816710496.

The previous prime is 1225505191. The next prime is 1225505269. The reversal of 1225505223 is 3225055221.

1225505223 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1225505223 - 2⁵ = 1225505191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225505623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3790 + ... + 49652.

It is an arithmetic number, because the mean of its divisors is an integer number (147567420).

Almost surely, 2^1225505223 is an apocalyptic number.

1225505223 is a deficient number, since it is larger than the sum of its proper divisors (545303817).

1225505223 is a wasteful number, since it uses less digits than its factorization.

1225505223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48838 (or 48835 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1225505223 is about 35007.2167274121. The cubic root of 1225505223 is about 1070.1345575678.

The spelling of 1225505223 in words is "one billion, two hundred twenty-five million, five hundred five thousand, two hundred twenty-three".