7214247 has 12 divisors (see below), whose sum is σ = 10464480. Its totient is φ = 4789248.

The previous prime is 7214197. The next prime is 7214257. The reversal of 7214247 is 7424127.

It is a happy number.

It is not a de Polignac number, because 7214247 - 2⁶ = 7214183 is a prime.

7214247 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7214247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7214257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754 + ... + 3872.

It is an arithmetic number, because the mean of its divisors is an integer number (872040).

Almost surely, 2^7214247 is an apocalyptic number.

7214247 is a deficient number, since it is larger than the sum of its proper divisors (3250233).

7214247 is a wasteful number, since it uses less digits than its factorization.

7214247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382 (or 3379 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 7214247 is about 2685.9350327214. The cubic root of 7214247 is about 193.2251571474.

The spelling of 7214247 in words is "seven million, two hundred fourteen thousand, two hundred forty-seven".