7122270 has 16 divisors (see below), whose sum is σ = 17093520. Its totient is φ = 1899264.

The previous prime is 7122263. The next prime is 7122289. The reversal of 7122270 is 722217.

It is a congruent number.

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, 118675 + ... + 118734.

It is an arithmetic number, because the mean of its divisors is an integer number (1068345).

Almost surely, 2^7122270 is an apocalyptic number.

7122270 is an abundant number, since it is smaller than the sum of its proper divisors (9971250).

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

7122270 is a wasteful number, since it uses less digits than its factorization.

7122270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237419.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 7122270 is about 2668.7581381609. The cubic root of 7122270 is about 192.4004770311.

Adding to 7122270 its reverse (722217), we get a palindrome (7844487).

The spelling of 7122270 in words is "seven million, one hundred twenty-two thousand, two hundred seventy".