7408220 has 12 divisors (see below), whose sum is σ = 15557304. Its totient is φ = 2963280.

The previous prime is 7408213. The next prime is 7408229. The reversal of 7408220 is 228047.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7408229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185186 + ... + 185225.

It is an arithmetic number, because the mean of its divisors is an integer number (1296442).

Almost surely, 2^7408220 is an apocalyptic number.

It is an amenable number.

7408220 is an abundant number, since it is smaller than the sum of its proper divisors (8149084).

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

7408220 is a wasteful number, since it uses less digits than its factorization.

7408220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370420 (or 370418 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 7408220 is about 2721.8045484568. The cubic root of 7408220 is about 194.9416437257.

The spelling of 7408220 in words is "seven million, four hundred eight thousand, two hundred twenty".