7142227 has 8 divisors (see below), whose sum is σ = 7706016. Its totient is φ = 6594432.

The previous prime is 7142209. The next prime is 7142263. The reversal of 7142227 is 7222417.

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

It is a cyclic number.

It is not a de Polignac number, because 7142227 - 2¹⁹ = 6617939 is a prime.

It is a super-2 number, since 2×7142227² = 102022813039058, which contains 22 as substring.

It is a Duffinian number.

7142227 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7142027) 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, 3063 + ... + 4864.

It is an arithmetic number, because the mean of its divisors is an integer number (963252).

Almost surely, 2^7142227 is an apocalyptic number.

7142227 is a deficient number, since it is larger than the sum of its proper divisors (563789).

7142227 is a wasteful number, since it uses less digits than its factorization.

7142227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997.

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

The square root of 7142227 is about 2672.4945275903. The cubic root of 7142227 is about 192.5800150860.

The spelling of 7142227 in words is "seven million, one hundred forty-two thousand, two hundred twenty-seven".