7418220 has 24 divisors (see below), whose sum is σ = 20771184. Its totient is φ = 1978176.

The previous prime is 7418219. The next prime is 7418233. The reversal of 7418220 is 228147.

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 in 7 ways as a sum of consecutive naturals, for example, 61759 + ... + 61878.

It is an arithmetic number, because the mean of its divisors is an integer number (865466).

Almost surely, 2^7418220 is an apocalyptic number.

It is an amenable number.

7418220 is an abundant number, since it is smaller than the sum of its proper divisors (13352964).

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

7418220 is a wasteful number, since it uses less digits than its factorization.

7418220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123649 (or 123647 counting only the distinct ones).

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

The square root of 7418220 is about 2723.6409454992. The cubic root of 7418220 is about 195.0293184057.

The spelling of 7418220 in words is "seven million, four hundred eighteen thousand, two hundred twenty".