7229770 has 8 divisors (see below), whose sum is σ = 13013604. Its totient is φ = 2891904.

The previous prime is 7229753. The next prime is 7229771. The reversal of 7229770 is 779227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7219969 + 9801 = 2687^2 + 99^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7229771) 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 3 ways as a sum of consecutive naturals, for example, 361479 + ... + 361498.

Almost surely, 2^7229770 is an apocalyptic number.

7229770 is a deficient number, since it is larger than the sum of its proper divisors (5783834).

7229770 is a wasteful number, since it uses less digits than its factorization.

7229770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722984.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 7229770 is about 2688.8231626494. The cubic root of 7229770 is about 193.3636463237.

The spelling of 7229770 in words is "seven million, two hundred twenty-nine thousand, seven hundred seventy".