225551343 has 16 divisors (see below), whose sum is σ = 307091456. Its totient is φ = 147212640.

The previous prime is 225551329. The next prime is 225551353. The reversal of 225551343 is 343155522.

It is not a de Polignac number, because 225551343 - 2²¹ = 223454191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225551343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225551303) 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, 38046 + ... + 43572.

It is an arithmetic number, because the mean of its divisors is an integer number (19193216).

Almost surely, 2^225551343 is an apocalyptic number.

225551343 is a deficient number, since it is larger than the sum of its proper divisors (81540113).

225551343 is a wasteful number, since it uses less digits than its factorization.

225551343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5814.

The product of its digits is 18000, while the sum is 30.

The square root of 225551343 is about 15018.3668552876. The cubic root of 225551343 is about 608.7165912851.

The spelling of 225551343 in words is "two hundred twenty-five million, five hundred fifty-one thousand, three hundred forty-three".