284151122 has 4 divisors (see below), whose sum is σ = 426226686. Its totient is φ = 142075560.

The previous prime is 284151097. The next prime is 284151149. The reversal of 284151122 is 221151482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 269320921 + 14830201 = 16411^2 + 3851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 284151091 and 284151100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71037779 + ... + 71037782.

Almost surely, 2^284151122 is an apocalyptic number.

284151122 is a deficient number, since it is larger than the sum of its proper divisors (142075564).

284151122 is a wasteful number, since it uses less digits than its factorization.

284151122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142075563.

The product of its digits is 1280, while the sum is 26.

The square root of 284151122 is about 16856.7826704861. The cubic root of 284151122 is about 657.4304143565.

The spelling of 284151122 in words is "two hundred eighty-four million, one hundred fifty-one thousand, one hundred twenty-two".