1223025532 has 6 divisors (see below), whose sum is σ = 2140294688. Its totient is φ = 611512764.

The previous prime is 1223025523. The next prime is 1223025533. The reversal of 1223025532 is 2355203221.

It is a junction number, because it is equal to n+sod(n) for n = 1223025497 and 1223025506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223025533) 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, 152878188 + ... + 152878195.

Almost surely, 2^1223025532 is an apocalyptic number.

It is an amenable number.

1223025532 is a deficient number, since it is larger than the sum of its proper divisors (917269156).

1223025532 is a wasteful number, since it uses less digits than its factorization.

1223025532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305756387 (or 305756385 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1223025532 is about 34971.7819391577. The cubic root of 1223025532 is about 1069.4122990344.

Adding to 1223025532 its reverse (2355203221), we get a palindrome (3578228753).

The spelling of 1223025532 in words is "one billion, two hundred twenty-three million, twenty-five thousand, five hundred thirty-two".