284823948722 has 4 divisors (see below), whose sum is σ = 427235923086. Its totient is φ = 142411974360.

The previous prime is 284823948707. The next prime is 284823948791. The reversal of 284823948722 is 227849328482.

It is a happy number.

It is a Cunningham number, because it is equal to 533689²+1.

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., 284823948721 + 1 = 533689^2 + 1^2 .

It is a super-2 number, since 2×284823948722² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71205987179 + ... + 71205987182.

Almost surely, 2^284823948722 is an apocalyptic number.

284823948722 is a deficient number, since it is larger than the sum of its proper divisors (142411974364).

284823948722 is a wasteful number, since it uses less digits than its factorization.

284823948722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142411974363.

The product of its digits is 24772608, while the sum is 59.

The spelling of 284823948722 in words is "two hundred eighty-four billion, eight hundred twenty-three million, nine hundred forty-eight thousand, seven hundred twenty-two".