1225532352 has 112 divisors (see below), whose sum is σ = 3633167232. Its totient is φ = 361313280.

The previous prime is 1225532351. The next prime is 1225532359. The reversal of 1225532352 is 2532355221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225532351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70303 + ... + 85985.

Almost surely, 2^1225532352 is an apocalyptic number.

1225532352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225532352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1816583616).

1225532352 is an abundant number, since it is smaller than the sum of its proper divisors (2407634880).

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

1225532352 is a wasteful number, since it uses less digits than its factorization.

1225532352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15746 (or 15736 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 1225532352 is about 35007.6042025158. The cubic root of 1225532352 is about 1070.1424540298.

Adding to 1225532352 its reverse (2532355221), we get a palindrome (3757887573).

The spelling of 1225532352 in words is "one billion, two hundred twenty-five million, five hundred thirty-two thousand, three hundred fifty-two".