225065739 has 8 divisors (see below), whose sum is σ = 300880960. Its totient is φ = 149647176.

The previous prime is 225065693. The next prime is 225065759. The reversal of 225065739 is 937560522.

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

It is not a de Polignac number, because 225065739 - 2¹¹ = 225063691 is a prime.

It is a super-2 number, since 2×225065739² = 101309173743232242, 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 = 225065697 and 225065706.

It is not an unprimeable number, because it can be changed into a prime (225065759) 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, 97837 + ... + 100110.

It is an arithmetic number, because the mean of its divisors is an integer number (37610120).

Almost surely, 2^225065739 is an apocalyptic number.

225065739 is a deficient number, since it is larger than the sum of its proper divisors (75815221).

225065739 is a wasteful number, since it uses less digits than its factorization.

225065739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198329.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 225065739 is about 15002.1911399635. The cubic root of 225065739 is about 608.2794290303.

The spelling of 225065739 in words is "two hundred twenty-five million, sixty-five thousand, seven hundred thirty-nine".