225391319 has 4 divisors (see below), whose sum is σ = 237254040. Its totient is φ = 213528600.

The previous prime is 225391267. The next prime is 225391333. The reversal of 225391319 is 913193522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225391319 - 2¹⁶ = 225325783 is a prime.

It is a super-2 number, since 2×225391319² = 101602493361119522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225391349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5931332 + ... + 5931369.

It is an arithmetic number, because the mean of its divisors is an integer number (59313510).

Almost surely, 2^225391319 is an apocalyptic number.

225391319 is a deficient number, since it is larger than the sum of its proper divisors (11862721).

225391319 is a wasteful number, since it uses less digits than its factorization.

225391319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11862720.

The product of its digits is 14580, while the sum is 35.

The square root of 225391319 is about 15013.0383000910. The cubic root of 225391319 is about 608.5725999611.

The spelling of 225391319 in words is "two hundred twenty-five million, three hundred ninety-one thousand, three hundred nineteen".