1225203232 has 24 divisors (see below), whose sum is σ = 2631403152. Its totient is φ = 556910400.

The previous prime is 1225203229. The next prime is 1225203247. The reversal of 1225203232 is 2323025221.

It is a super-3 number, since 3×1225203232³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1739994 + ... + 1740697.

It is an arithmetic number, because the mean of its divisors is an integer number (109641798).

Almost surely, 2^1225203232 is an apocalyptic number.

It is an amenable number.

1225203232 is an abundant number, since it is smaller than the sum of its proper divisors (1406199920).

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

1225203232 is a wasteful number, since it uses less digits than its factorization.

1225203232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480712 (or 3480704 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1225203232 is about 35002.9031938781. The cubic root of 1225203232 is about 1070.0466489110.

Adding to 1225203232 its reverse (2323025221), we get a palindrome (3548228453).

The spelling of 1225203232 in words is "one billion, two hundred twenty-five million, two hundred three thousand, two hundred thirty-two".