7222548 has 24 divisors (see below), whose sum is σ = 17309152. Its totient is φ = 2342304.

The previous prime is 7222517. The next prime is 7222549. The reversal of 7222548 is 8452227.

It is a super-2 number, since 2×7222548² = 104330399224608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7690 + ... + 8577.

Almost surely, 2^7222548 is an apocalyptic number.

It is an amenable number.

7222548 is an abundant number, since it is smaller than the sum of its proper divisors (10086604).

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

7222548 is a wasteful number, since it uses less digits than its factorization.

7222548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16311 (or 16309 counting only the distinct ones).

The product of its digits is 8960, while the sum is 30.

The square root of 7222548 is about 2687.4798603897. The cubic root of 7222548 is about 193.2992395951.

The spelling of 7222548 in words is "seven million, two hundred twenty-two thousand, five hundred forty-eight".