228040253 has 8 divisors (see below), whose sum is σ = 269604480. Its totient is φ = 188722800.

The previous prime is 228040231. The next prime is 228040273. The reversal of 228040253 is 352040822.

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

It is not a de Polignac number, because 228040253 - 2⁸ = 228039997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228040273) 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, 561473 + ... + 561878.

It is an arithmetic number, because the mean of its divisors is an integer number (33700560).

Almost surely, 2^228040253 is an apocalyptic number.

It is an amenable number.

228040253 is a deficient number, since it is larger than the sum of its proper divisors (41564227).

228040253 is a wasteful number, since it uses less digits than its factorization.

228040253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123387.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 228040253 is about 15101.0017217402. The cubic root of 228040253 is about 610.9474240964.

The spelling of 228040253 in words is "two hundred twenty-eight million, forty thousand, two hundred fifty-three".