22086739 has 4 divisors (see below), whose sum is σ = 23047056. Its totient is φ = 21126424.

The previous prime is 22086733. The next prime is 22086763. The reversal of 22086739 is 93768022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22086739 - 2⁷ = 22086611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22086698 and 22086707.

It is not an unprimeable number, because it can be changed into a prime (22086733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480124 + ... + 480169.

It is an arithmetic number, because the mean of its divisors is an integer number (5761764).

Almost surely, 2^22086739 is an apocalyptic number.

22086739 is a deficient number, since it is larger than the sum of its proper divisors (960317).

22086739 is an equidigital number, since it uses as much as digits as its factorization.

22086739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960316.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 22086739 is about 4699.6530723023. The cubic root of 22086739 is about 280.5717018072.

The spelling of 22086739 in words is "twenty-two million, eighty-six thousand, seven hundred thirty-nine".