228207461 has 8 divisors (see below), whose sum is σ = 247968000. Its totient is φ = 209221920.

The previous prime is 228207451. The next prime is 228207487. The reversal of 228207461 is 164702822.

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

It is not a de Polignac number, because 228207461 - 2²² = 224013157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228207451) 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, 193136 + ... + 194313.

It is an arithmetic number, because the mean of its divisors is an integer number (30996000).

Almost surely, 2^228207461 is an apocalyptic number.

It is an amenable number.

228207461 is a deficient number, since it is larger than the sum of its proper divisors (19760539).

228207461 is a wasteful number, since it uses less digits than its factorization.

228207461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387499.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 228207461 is about 15106.5370287171. The cubic root of 228207461 is about 611.0967111012.

The spelling of 228207461 in words is "two hundred twenty-eight million, two hundred seven thousand, four hundred sixty-one".