842225418 has 16 divisors (see below), whose sum is σ = 1871612160. Its totient is φ = 280741788.

The previous prime is 842225347. The next prime is 842225429. The reversal of 842225418 is 814522248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7798330 + ... + 7798437.

It is an arithmetic number, because the mean of its divisors is an integer number (116975760).

Almost surely, 2^842225418 is an apocalyptic number.

842225418 is an abundant number, since it is smaller than the sum of its proper divisors (1029386742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842225418 is a wasteful number, since it uses less digits than its factorization.

842225418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15596778 (or 15596772 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 842225418 is about 29021.1202058087. The cubic root of 842225418 is about 944.3713026643.

The spelling of 842225418 in words is "eight hundred forty-two million, two hundred twenty-five thousand, four hundred eighteen".