22030139 has 16 divisors (see below), whose sum is σ = 23950080. Its totient is φ = 20198880.

The previous prime is 22030121. The next prime is 22030153. The reversal of 22030139 is 93103022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22030139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22030139.

It is not an unprimeable number, because it can be changed into a prime (22030199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131834 + ... + 132000.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^22030139 is an apocalyptic number.

22030139 is a deficient number, since it is larger than the sum of its proper divisors (1919941).

22030139 is a wasteful number, since it uses less digits than its factorization.

22030139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 22030139 is about 4693.6274884145. The cubic root of 22030139 is about 280.3318302295.

It can be divided in two parts, 2203013 and 9, that added together give a palindrome (2203022).

The spelling of 22030139 in words is "twenty-two million, thirty thousand, one hundred thirty-nine".