7139922 has 16 divisors (see below), whose sum is σ = 14493792. Its totient is φ = 2344320.

The previous prime is 7139917. The next prime is 7139933. The reversal of 7139922 is 2299317.

7139922 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8479 + ... + 9282.

It is an arithmetic number, because the mean of its divisors is an integer number (905862).

Almost surely, 2^7139922 is an apocalyptic number.

7139922 is an abundant number, since it is smaller than the sum of its proper divisors (7353870).

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

7139922 is a wasteful number, since it uses less digits than its factorization.

7139922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17833.

The product of its digits is 6804, while the sum is 33.

The square root of 7139922 is about 2672.0632477544. The cubic root of 7139922 is about 192.5592958390.

It can be divided in two parts, 71 and 39922, that added together give a palindrome (39993).

The spelling of 7139922 in words is "seven million, one hundred thirty-nine thousand, nine hundred twenty-two".