7142022 has 24 divisors (see below), whose sum is σ = 15523560. Its totient is φ = 2373120.

The previous prime is 7142011. The next prime is 7142027. The reversal of 7142022 is 2202417.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 7141986 and 7142004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142027) 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 11 ways as a sum of consecutive naturals, for example, 10822 + ... + 11462.

It is an arithmetic number, because the mean of its divisors is an integer number (646815).

Almost surely, 2^7142022 is an apocalyptic number.

7142022 is an abundant number, since it is smaller than the sum of its proper divisors (8381538).

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

7142022 is a wasteful number, since it uses less digits than its factorization.

7142022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1265 counting only the distinct ones).

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

The square root of 7142022 is about 2672.4561736350. The cubic root of 7142022 is about 192.5781725570.

Adding to 7142022 its reverse (2202417), we get a palindrome (9344439).

The spelling of 7142022 in words is "seven million, one hundred forty-two thousand, twenty-two".