225970843 has 16 divisors (see below), whose sum is σ = 264256960. Its totient is φ = 189236736.

The previous prime is 225970841. The next prime is 225970847. The reversal of 225970843 is 348079522.

225970843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 225970843 - 2¹ = 225970841 is a prime.

It is a super-2 number, since 2×225970843² = 102125643772261298, 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 = 225970796 and 225970805.

It is not an unprimeable number, because it can be changed into a prime (225970841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53671 + ... + 57727.

It is an arithmetic number, because the mean of its divisors is an integer number (16516060).

Almost surely, 2^225970843 is an apocalyptic number.

225970843 is a deficient number, since it is larger than the sum of its proper divisors (38286117).

225970843 is a wasteful number, since it uses less digits than its factorization.

225970843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 225970843 is about 15032.3265996984. The cubic root of 225970843 is about 609.0937389130.

The spelling of 225970843 in words is "two hundred twenty-five million, nine hundred seventy thousand, eight hundred forty-three".