225988982 has 4 divisors (see below), whose sum is σ = 338983476. Its totient is φ = 112994490.

The previous prime is 225988981. The next prime is 225989009. The reversal of 225988982 is 289889522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225988981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56497244 + ... + 56497247.

It is an arithmetic number, because the mean of its divisors is an integer number (84745869).

Almost surely, 2^225988982 is an apocalyptic number.

225988982 is a deficient number, since it is larger than the sum of its proper divisors (112994494).

225988982 is a wasteful number, since it uses less digits than its factorization.

225988982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112994493.

The product of its digits is 1658880, while the sum is 53.

The square root of 225988982 is about 15032.9299206775. The cubic root of 225988982 is about 609.1100360830.

The spelling of 225988982 in words is "two hundred twenty-five million, nine hundred eighty-eight thousand, nine hundred eighty-two".