7146220 has 24 divisors (see below), whose sum is σ = 15233904. Its totient is φ = 2815296.

The previous prime is 7146203. The next prime is 7146241. The reversal of 7146220 is 226417.

It is a junction number, because it is equal to n+sod(n) for n = 7146191 and 7146200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (634746).

Almost surely, 2^7146220 is an apocalyptic number.

It is an amenable number.

7146220 is an abundant number, since it is smaller than the sum of its proper divisors (8087684).

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

7146220 is a wasteful number, since it uses less digits than its factorization.

7146220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409 (or 5407 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7146220 is about 2673.2414780562. The cubic root of 7146220 is about 192.6158969261.

The spelling of 7146220 in words is "seven million, one hundred forty-six thousand, two hundred twenty".