22282361 has 4 divisors (see below), whose sum is σ = 22291812. Its totient is φ = 22272912.

The previous prime is 22282349. The next prime is 22282369. The reversal of 22282361 is 16328222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16328222 = 2 ⋅8164111.

It can be written as a sum of positive squares in 2 ways, for example, as 2310400 + 19971961 = 1520^2 + 4469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22282361 is a prime.

It is a super-2 number, since 2×22282361² = 993007223468642, which contains 22 as substring.

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 22282361.

It is not an unprimeable number, because it can be changed into a prime (22282369) 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, 2051 + ... + 6983.

It is an arithmetic number, because the mean of its divisors is an integer number (5572953).

Almost surely, 2^22282361 is an apocalyptic number.

It is an amenable number.

22282361 is a deficient number, since it is larger than the sum of its proper divisors (9451).

22282361 is an equidigital number, since it uses as much as digits as its factorization.

22282361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9450.

The product of its digits is 2304, while the sum is 26.

The square root of 22282361 is about 4720.4195788086. The cubic root of 22282361 is about 281.3976083773.

The spelling of 22282361 in words is "twenty-two million, two hundred eighty-two thousand, three hundred sixty-one".