228024407 has 4 divisors (see below), whose sum is σ = 245564760. Its totient is φ = 210484056.

The previous prime is 228024373. The next prime is 228024421. The reversal of 228024407 is 704420822.

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 228024407 - 2²⁴ = 211247191 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 228024407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228024427) 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, 8770157 + ... + 8770182.

It is an arithmetic number, because the mean of its divisors is an integer number (61391190).

Almost surely, 2^228024407 is an apocalyptic number.

228024407 is a deficient number, since it is larger than the sum of its proper divisors (17540353).

228024407 is a wasteful number, since it uses less digits than its factorization.

228024407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17540352.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 228024407 is about 15100.4770454446. The cubic root of 228024407 is about 610.9332726517.

The spelling of 228024407 in words is "two hundred twenty-eight million, twenty-four thousand, four hundred seven".