225443132 has 48 divisors (see below), whose sum is σ = 428228640. Its totient is φ = 103514112.

The previous prime is 225443117. The next prime is 225443147. The reversal of 225443132 is 231344522.

It is an interprime number because it is at equal distance from previous prime (225443117) and next prime (225443147).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390428 + ... + 391004.

It is an arithmetic number, because the mean of its divisors is an integer number (8921430).

Almost surely, 2^225443132 is an apocalyptic number.

It is an amenable number.

225443132 is a deficient number, since it is larger than the sum of its proper divisors (202785508).

225443132 is a wasteful number, since it uses less digits than its factorization.

225443132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 748 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 225443132 is about 15014.7638010060. The cubic root of 225443132 is about 608.6192293172.

Adding to 225443132 its reverse (231344522), we get a palindrome (456787654).

The spelling of 225443132 in words is "two hundred twenty-five million, four hundred forty-three thousand, one hundred thirty-two".