22025861 has 8 divisors (see below), whose sum is σ = 25876704. Its totient is φ = 18483120.

The previous prime is 22025837. The next prime is 22025869. The reversal of 22025861 is 16852022.

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 22025861 - 2¹⁰ = 22024837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22025861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025869) 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, 76871 + ... + 77156.

It is an arithmetic number, because the mean of its divisors is an integer number (3234588).

Almost surely, 2^22025861 is an apocalyptic number.

It is an amenable number.

22025861 is a deficient number, since it is larger than the sum of its proper divisors (3850843).

22025861 is a wasteful number, since it uses less digits than its factorization.

22025861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154051.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 22025861 is about 4693.1717420099. The cubic root of 22025861 is about 280.3136833141.

Adding to 22025861 its reverse (16852022), we get a palindrome (38877883).

The spelling of 22025861 in words is "twenty-two million, twenty-five thousand, eight hundred sixty-one".