7422018 has 16 divisors (see below), whose sum is σ = 14940480. Its totient is φ = 2457936.

The previous prime is 7422017. The next prime is 7422049. The reversal of 7422018 is 8102247.

It is not an unprimeable number, because it can be changed into a prime (7422011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (933780).

Almost surely, 2^7422018 is an apocalyptic number.

7422018 is an abundant number, since it is smaller than the sum of its proper divisors (7518462).

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

7422018 is a wasteful number, since it uses less digits than its factorization.

7422018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8041.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 7422018 is about 2724.3380847465. The cubic root of 7422018 is about 195.0625966034.

The spelling of 7422018 in words is "seven million, four hundred twenty-two thousand, eighteen".