225072455 has 8 divisors (see below), whose sum is σ = 270355104. Its totient is φ = 179879200.

The previous prime is 225072439. The next prime is 225072473. The reversal of 225072455 is 554270522.

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

It is not a de Polignac number, because 225072455 - 2⁴ = 225072439 is a prime.

It is a super-3 number, since 3×225072455³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16676 + ... + 26985.

It is an arithmetic number, because the mean of its divisors is an integer number (33794388).

Almost surely, 2^225072455 is an apocalyptic number.

225072455 is a deficient number, since it is larger than the sum of its proper divisors (45282649).

225072455 is a wasteful number, since it uses less digits than its factorization.

225072455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44697.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 225072455 is about 15002.4149722636. The cubic root of 225072455 is about 608.2854793574.

The spelling of 225072455 in words is "two hundred twenty-five million, seventy-two thousand, four hundred fifty-five".