7220274 has 32 divisors (see below), whose sum is σ = 15520896. Its totient is φ = 2231040.

The previous prime is 7220263. The next prime is 7220299. The reversal of 7220274 is 4720227.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 6744 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (485028).

Almost surely, 2^7220274 is an apocalyptic number.

7220274 is an abundant number, since it is smaller than the sum of its proper divisors (8300622).

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

7220274 is a wasteful number, since it uses less digits than its factorization.

7220274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 7220274 is about 2687.0567541457. The cubic root of 7220274 is about 193.2789508821.

The spelling of 7220274 in words is "seven million, two hundred twenty thousand, two hundred seventy-four".