7421227 has 8 divisors (see below), whose sum is σ = 8147520. Its totient is φ = 6703560.

The previous prime is 7421213. The next prime is 7421237. The reversal of 7421227 is 7221247.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7421227 is a prime.

It is a super-2 number, since 2×7421227² = 110149220371058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277 + ... + 3862.

It is an arithmetic number, because the mean of its divisors is an integer number (1018440).

Almost surely, 2^7421227 is an apocalyptic number.

7421227 is a deficient number, since it is larger than the sum of its proper divisors (726293).

7421227 is a wasteful number, since it uses less digits than its factorization.

7421227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313.

The product of its digits is 1568, while the sum is 25.

The square root of 7421227 is about 2724.1929080005. The cubic root of 7421227 is about 195.0556667722.

The spelling of 7421227 in words is "seven million, four hundred twenty-one thousand, two hundred twenty-seven".