225711351 has 24 divisors (see below), whose sum is σ = 341053440. Its totient is φ = 143572176.

The previous prime is 225711349. The next prime is 225711383. The reversal of 225711351 is 153117522.

It is not a de Polignac number, because 225711351 - 2¹ = 225711349 is a prime.

It is a super-2 number, since 2×225711351² = 101891227940490402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225711301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99690 + ... + 101928.

It is an arithmetic number, because the mean of its divisors is an integer number (14210560).

Almost surely, 2^225711351 is an apocalyptic number.

225711351 is a deficient number, since it is larger than the sum of its proper divisors (115342089).

225711351 is a wasteful number, since it uses less digits than its factorization.

225711351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2752 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 225711351 is about 15023.6929880772. The cubic root of 225711351 is about 608.8605001325.

Adding to 225711351 its reverse (153117522), we get a palindrome (378828873).

The spelling of 225711351 in words is "two hundred twenty-five million, seven hundred eleven thousand, three hundred fifty-one".