22163486 has 4 divisors (see below), whose sum is σ = 33245232. Its totient is φ = 11081742.

The previous prime is 22163483. The next prime is 22163501. The reversal of 22163486 is 68436122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68436122 = 2 ⋅34218061.

It is a super-2 number, since 2×22163486² = 982440223344392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5540870 + ... + 5540873.

It is an arithmetic number, because the mean of its divisors is an integer number (8311308).

Almost surely, 2^22163486 is an apocalyptic number.

22163486 is a deficient number, since it is larger than the sum of its proper divisors (11081746).

22163486 is a wasteful number, since it uses less digits than its factorization.

22163486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11081745.

The product of its digits is 13824, while the sum is 32.

The square root of 22163486 is about 4707.8111686855. The cubic root of 22163486 is about 280.8963029693.

The spelling of 22163486 in words is "twenty-two million, one hundred sixty-three thousand, four hundred eighty-six".