22045829 has 8 divisors (see below), whose sum is σ = 24560760. Its totient is φ = 19647936.

The previous prime is 22045813. The next prime is 22045841. The reversal of 22045829 is 92854022.

It can be written as a sum of positive squares in 4 ways, for example, as 2553604 + 19492225 = 1598^2 + 4415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22045829 - 2⁴ = 22045813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22045795 and 22045804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22045729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28862 + ... + 29615.

It is an arithmetic number, because the mean of its divisors is an integer number (3070095).

Almost surely, 2^22045829 is an apocalyptic number.

22045829 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22045829 is a deficient number, since it is larger than the sum of its proper divisors (2514931).

22045829 is a wasteful number, since it uses less digits than its factorization.

22045829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58519.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 22045829 is about 4695.2986060527. The cubic root of 22045829 is about 280.3983657854.

The spelling of 22045829 in words is "twenty-two million, forty-five thousand, eight hundred twenty-nine".