1008227842 has 4 divisors (see below), whose sum is σ = 1512341766. Its totient is φ = 504113920.

The previous prime is 1008227827. The next prime is 1008227897. The reversal of 1008227842 is 2487228001.

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., 869011441 + 139216401 = 29479^2 + 11799^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1008227798 and 1008227807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252056959 + ... + 252056962.

Almost surely, 2^1008227842 is an apocalyptic number.

1008227842 is a deficient number, since it is larger than the sum of its proper divisors (504113924).

1008227842 is an equidigital number, since it uses as much as digits as its factorization.

1008227842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504113923.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 1008227842 is about 31752.6037042634. The cubic root of 1008227842 is about 1002.7351262639.

The spelling of 1008227842 in words is "one billion, eight million, two hundred twenty-seven thousand, eight hundred forty-two".