225443403 has 12 divisors (see below), whose sum is σ = 326457768. Its totient is φ = 149918400.

The previous prime is 225443399. The next prime is 225443429. The reversal of 225443403 is 304344522.

225443403 is a `hidden beast` number, since 2 + 254 + 4 + 3 + 403 = 666.

It is not a de Polignac number, because 225443403 - 2² = 225443399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225443483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27625 + ... + 34842.

It is an arithmetic number, because the mean of its divisors is an integer number (27204814).

Almost surely, 2^225443403 is an apocalyptic number.

225443403 is a deficient number, since it is larger than the sum of its proper divisors (101014365).

225443403 is a wasteful number, since it uses less digits than its factorization.

225443403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62874 (or 62871 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 225443403 is about 15014.7728254543. The cubic root of 225443403 is about 608.6194731862.

Adding to 225443403 its reverse (304344522), we get a palindrome (529787925).

The spelling of 225443403 in words is "two hundred twenty-five million, four hundred forty-three thousand, four hundred three".