7422618 has 24 divisors (see below), whose sum is σ = 17269632. Its totient is φ = 2120664.

The previous prime is 7422589. The next prime is 7422641. The reversal of 7422618 is 8162247.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12330 + ... + 12917.

It is an arithmetic number, because the mean of its divisors is an integer number (719568).

Almost surely, 2^7422618 is an apocalyptic number.

7422618 is an abundant number, since it is smaller than the sum of its proper divisors (9847014).

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

7422618 is a wasteful number, since it uses less digits than its factorization.

7422618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25266 (or 25259 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 7422618 is about 2724.4482010125. The cubic root of 7422618 is about 195.0678527841.

The spelling of 7422618 in words is "seven million, four hundred twenty-two thousand, six hundred eighteen".