7342220 has 24 divisors (see below), whose sum is σ = 15951600. Its totient is φ = 2835392.

The previous prime is 7342213. The next prime is 7342253. The reversal of 7342220 is 222437.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 7342192 and 7342201.

It is an unprimeable number.

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, 5750 + ... + 6909.

It is an arithmetic number, because the mean of its divisors is an integer number (664650).

Almost surely, 2^7342220 is an apocalyptic number.

It is an amenable number.

7342220 is an abundant number, since it is smaller than the sum of its proper divisors (8609380).

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

7342220 is a wasteful number, since it uses less digits than its factorization.

7342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12697 (or 12695 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 7342220 is about 2709.6531143303. The cubic root of 7342220 is about 194.3610028072.

Adding to 7342220 its reverse (222437), we get a palindrome (7564657).

The spelling of 7342220 in words is "seven million, three hundred forty-two thousand, two hundred twenty".