7714221 has 8 divisors (see below), whose sum is σ = 10430784. Its totient is φ = 5070240.

The previous prime is 7714219. The next prime is 7714229. The reversal of 7714221 is 1224177.

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

It is not a de Polignac number, because 7714221 - 2¹ = 7714219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7714191 and 7714200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7714229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17896 + ... + 18321.

It is an arithmetic number, because the mean of its divisors is an integer number (1303848).

Almost surely, 2^7714221 is an apocalyptic number.

7714221 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7714221 is a deficient number, since it is larger than the sum of its proper divisors (2716563).

7714221 is a wasteful number, since it uses less digits than its factorization.

7714221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36291.

The product of its digits is 784, while the sum is 24.

The square root of 7714221 is about 2777.4486493903. The cubic root of 7714221 is about 197.5895742804.

Adding to 7714221 its reverse (1224177), we get a palindrome (8938398).

The spelling of 7714221 in words is "seven million, seven hundred fourteen thousand, two hundred twenty-one".