284122456 has 32 divisors (see below), whose sum is σ = 547580880. Its totient is φ = 138124800.

The previous prime is 284122439. The next prime is 284122459. The reversal of 284122456 is 654221482.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284122459) 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, 107260 + ... + 109876.

Almost surely, 2^284122456 is an apocalyptic number.

It is an amenable number.

284122456 is a deficient number, since it is larger than the sum of its proper divisors (263458424).

284122456 is a wasteful number, since it uses less digits than its factorization.

284122456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2991 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 284122456 is about 16855.9323681605. The cubic root of 284122456 is about 657.4083057758.

The spelling of 284122456 in words is "two hundred eighty-four million, one hundred twenty-two thousand, four hundred fifty-six".