225342987 has 8 divisors (see below), whose sum is σ = 308577936. Its totient is φ = 146168352.

The previous prime is 225342979. The next prime is 225342989. The reversal of 225342987 is 789243522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225342987 - 2³ = 225342979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225342989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014948 + ... + 1015169.

It is an arithmetic number, because the mean of its divisors is an integer number (38572242).

Almost surely, 2^225342987 is an apocalyptic number.

225342987 is a deficient number, since it is larger than the sum of its proper divisors (83234949).

225342987 is a wasteful number, since it uses less digits than its factorization.

225342987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030157.

The product of its digits is 241920, while the sum is 42.

The square root of 225342987 is about 15011.4285462777. The cubic root of 225342987 is about 608.5290969050.

The spelling of 225342987 in words is "two hundred twenty-five million, three hundred forty-two thousand, nine hundred eighty-seven".