225337871 has 4 divisors (see below), whose sum is σ = 245823144. Its totient is φ = 204852600.

The previous prime is 225337837. The next prime is 225337913. The reversal of 225337871 is 178733522.

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

It is a cyclic number.

It is not a de Polignac number, because 225337871 - 2¹⁸ = 225075727 is a prime.

It is a super-2 number, since 2×225337871² = 101554312213625282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225337571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10242620 + ... + 10242641.

It is an arithmetic number, because the mean of its divisors is an integer number (61455786).

Almost surely, 2^225337871 is an apocalyptic number.

225337871 is a deficient number, since it is larger than the sum of its proper divisors (20485273).

225337871 is a wasteful number, since it uses less digits than its factorization.

225337871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20485272.

The product of its digits is 70560, while the sum is 38.

The square root of 225337871 is about 15011.2581418081. The cubic root of 225337871 is about 608.5244916904.

The spelling of 225337871 in words is "two hundred twenty-five million, three hundred thirty-seven thousand, eight hundred seventy-one".