7042228 has 6 divisors (see below), whose sum is σ = 12323906. Its totient is φ = 3521112.

The previous prime is 7042219. The next prime is 7042229. The reversal of 7042228 is 8222407.

It can be written as a sum of positive squares in only one way, i.e., 4571044 + 2471184 = 2138^2 + 1572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042229) 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 as a sum of consecutive naturals, namely, 880275 + ... + 880282.

Almost surely, 2^7042228 is an apocalyptic number.

It is an amenable number.

7042228 is a deficient number, since it is larger than the sum of its proper divisors (5281678).

7042228 is a wasteful number, since it uses less digits than its factorization.

7042228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760561 (or 1760559 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 7042228 is about 2653.7196536183. The cubic root of 7042228 is about 191.6770104899.

The spelling of 7042228 in words is "seven million, forty-two thousand, two hundred twenty-eight".