7220986 has 8 divisors (see below), whose sum is σ = 11062080. Its totient is φ = 3533628.

The previous prime is 7220981. The next prime is 7220999. The reversal of 7220986 is 6890227.

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

It is not an unprimeable number, because it can be changed into a prime (7220981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38316 + ... + 38503.

It is an arithmetic number, because the mean of its divisors is an integer number (1382760).

Almost surely, 2^7220986 is an apocalyptic number.

7220986 is a deficient number, since it is larger than the sum of its proper divisors (3841094).

7220986 is a wasteful number, since it uses less digits than its factorization.

7220986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76868.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7220986 is about 2687.1892378469. The cubic root of 7220986 is about 193.2853038308.

The spelling of 7220986 in words is "seven million, two hundred twenty thousand, nine hundred eighty-six".