7218950 has 12 divisors (see below), whose sum is σ = 13427340. Its totient is φ = 2887560.

The previous prime is 7218947. The next prime is 7218973. The reversal of 7218950 is 598127.

It is a super-2 number, since 2×7218950² = 104226478205000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 72140 + ... + 72239.

It is an arithmetic number, because the mean of its divisors is an integer number (1118945).

Almost surely, 2^7218950 is an apocalyptic number.

7218950 is a deficient number, since it is larger than the sum of its proper divisors (6208390).

7218950 is a wasteful number, since it uses less digits than its factorization.

7218950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144391 (or 144386 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 7218950 is about 2686.8103766362. The cubic root of 7218950 is about 193.2671361424.

The spelling of 7218950 in words is "seven million, two hundred eighteen thousand, nine hundred fifty".