228505822 has 8 divisors (see below), whose sum is σ = 350051616. Its totient is φ = 111821952.

The previous prime is 228505813. The next prime is 228505831.

228505822 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (228505813) and next prime (228505831).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215363 + ... + 1215550.

It is an arithmetic number, because the mean of its divisors is an integer number (43756452).

Almost surely, 2^228505822 is an apocalyptic number.

228505822 is a deficient number, since it is larger than the sum of its proper divisors (121545794).

228505822 is a wasteful number, since it uses less digits than its factorization.

228505822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430962.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 228505822 is about 15116.4090312481. The cubic root of 228505822 is about 611.3629133596.

The spelling of 228505822 in words is "two hundred twenty-eight million, five hundred five thousand, eight hundred twenty-two".