7022142 has 12 divisors (see below), whose sum is σ = 15214680. Its totient is φ = 2340708.

The previous prime is 7022131. The next prime is 7022143. The reversal of 7022142 is 2412207.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 390119 = 7022142 / (7 + 0 + 2 + 2 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7022143) 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 5 ways as a sum of consecutive naturals, for example, 195042 + ... + 195077.

It is an arithmetic number, because the mean of its divisors is an integer number (1267890).

Almost surely, 2^7022142 is an apocalyptic number.

7022142 is an abundant number, since it is smaller than the sum of its proper divisors (8192538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7022142 is a wasteful number, since it uses less digits than its factorization.

7022142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390127 (or 390124 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7022142 is about 2649.9324519693. The cubic root of 7022142 is about 191.4946018062.

Adding to 7022142 its reverse (2412207), we get a palindrome (9434349).

The spelling of 7022142 in words is "seven million, twenty-two thousand, one hundred forty-two".