7391222 has 4 divisors (see below), whose sum is σ = 11086836. Its totient is φ = 3695610.

The previous prime is 7391179. The next prime is 7391261. The reversal of 7391222 is 2221937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2221937 = 463 ⋅4799.

It is a junction number, because it is equal to n+sod(n) for n = 7391191 and 7391200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1847804 + ... + 1847807.

It is an arithmetic number, because the mean of its divisors is an integer number (2771709).

Almost surely, 2^7391222 is an apocalyptic number.

7391222 is a deficient number, since it is larger than the sum of its proper divisors (3695614).

7391222 is a wasteful number, since it uses less digits than its factorization.

7391222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695613.

The product of its digits is 1512, while the sum is 26.

The square root of 7391222 is about 2718.6801945062. The cubic root of 7391222 is about 194.7924330904.

The spelling of 7391222 in words is "seven million, three hundred ninety-one thousand, two hundred twenty-two".