225522031 has 8 divisors (see below), whose sum is σ = 257951520. Its totient is φ = 193145568.

The previous prime is 225522029. The next prime is 225522053. The reversal of 225522031 is 130225522.

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

It is not a de Polignac number, because 225522031 - 2¹ = 225522029 is a prime.

It is a super-2 number, since 2×225522031² = 101720372932729922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225521993 and 225522011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225522071) 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, 3676 + ... + 21553.

It is an arithmetic number, because the mean of its divisors is an integer number (32243940).

Almost surely, 2^225522031 is an apocalyptic number.

225522031 is a deficient number, since it is larger than the sum of its proper divisors (32429489).

225522031 is a wasteful number, since it uses less digits than its factorization.

225522031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26513.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 225522031 is about 15017.3909518265. The cubic root of 225522031 is about 608.6902211270.

Adding to 225522031 its reverse (130225522), we get a palindrome (355747553).

The spelling of 225522031 in words is "two hundred twenty-five million, five hundred twenty-two thousand, thirty-one".