225002231 has 4 divisors (see below), whose sum is σ = 226492464. Its totient is φ = 223512000.

The previous prime is 225002227. The next prime is 225002233. The reversal of 225002231 is 132200522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132200522 = 2 ⋅66100261.

It is a cyclic number.

It is not a de Polignac number, because 225002231 - 2² = 225002227 is a prime.

It is a super-2 number, since 2×225002231² = 101252007909954722, 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 (225002233) 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, 744890 + ... + 745191.

It is an arithmetic number, because the mean of its divisors is an integer number (56623116).

Almost surely, 2^225002231 is an apocalyptic number.

225002231 is a deficient number, since it is larger than the sum of its proper divisors (1490233).

225002231 is a wasteful number, since it uses less digits than its factorization.

225002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490232.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 225002231 is about 15000.0743664823. The cubic root of 225002231 is about 608.2222098311. Note that the first 4 decimals are identical.

Adding to 225002231 its reverse (132200522), we get a palindrome (357202753).

The spelling of 225002231 in words is "two hundred twenty-five million, two thousand, two hundred thirty-one".