22861361 has 4 divisors (see below), whose sum is σ = 23183424. Its totient is φ = 22539300.

The previous prime is 22861357. The next prime is 22861373. The reversal of 22861361 is 16316822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16316822 = 2 ⋅8158411.

It is a cyclic number.

It is not a de Polignac number, because 22861361 - 2² = 22861357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22861381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160925 + ... + 161066.

It is an arithmetic number, because the mean of its divisors is an integer number (5795856).

Almost surely, 2^22861361 is an apocalyptic number.

It is an amenable number.

22861361 is a deficient number, since it is larger than the sum of its proper divisors (322063).

22861361 is an equidigital number, since it uses as much as digits as its factorization.

22861361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322062.

The product of its digits is 3456, while the sum is 29.

The square root of 22861361 is about 4781.3555609262. The cubic root of 22861361 is about 283.8141389550.

The spelling of 22861361 in words is "twenty-two million, eight hundred sixty-one thousand, three hundred sixty-one".