7220495 has 8 divisors (see below), whose sum is σ = 9174384. Its totient is φ = 5436544.

The previous prime is 7220491. The next prime is 7220497. The reversal of 7220495 is 5940227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7220495 - 2² = 7220491 is a prime.

It is a super-3 number, since 3×7220495³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42389 + ... + 42558.

It is an arithmetic number, because the mean of its divisors is an integer number (1146798).

Almost surely, 2^7220495 is an apocalyptic number.

7220495 is a deficient number, since it is larger than the sum of its proper divisors (1953889).

7220495 is a wasteful number, since it uses less digits than its factorization.

7220495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84969.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 7220495 is about 2687.0978768925. The cubic root of 7220495 is about 193.2809228392.

The spelling of 7220495 in words is "seven million, two hundred twenty thousand, four hundred ninety-five".