1225441532 has 48 divisors (see below), whose sum is σ = 2678796288. Its totient is φ = 478344960.

The previous prime is 1225441523. The next prime is 1225441543. The reversal of 1225441532 is 2351445221.

It is a junction number, because it is equal to n+sod(n) for n = 1225441495 and 1225441504.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 26768 + ... + 56279.

It is an arithmetic number, because the mean of its divisors is an integer number (55808256).

Almost surely, 2^1225441532 is an apocalyptic number.

It is an amenable number.

1225441532 is an abundant number, since it is smaller than the sum of its proper divisors (1453354756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225441532 is a wasteful number, since it uses less digits than its factorization.

1225441532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83106 (or 83104 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 1225441532 is about 35006.3070317336. The cubic root of 1225441532 is about 1070.1160185142.

Adding to 1225441532 its reverse (2351445221), we get a palindrome (3576886753).

The spelling of 1225441532 in words is "one billion, two hundred twenty-five million, four hundred forty-one thousand, five hundred thirty-two".