22126305 has 8 divisors (see below), whose sum is σ = 35402112. Its totient is φ = 11800688.

The previous prime is 22126301. The next prime is 22126309. The reversal of 22126305 is 50362122.

It is an interprime number because it is at equal distance from previous prime (22126301) and next prime (22126309).

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 22126305 - 2² = 22126301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22126301) 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 7 ways as a sum of consecutive naturals, for example, 737529 + ... + 737558.

It is an arithmetic number, because the mean of its divisors is an integer number (4425264).

Almost surely, 2^22126305 is an apocalyptic number.

It is an amenable number.

22126305 is a deficient number, since it is larger than the sum of its proper divisors (13275807).

22126305 is a wasteful number, since it uses less digits than its factorization.

22126305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475095.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22126305 is about 4703.8606484461. The cubic root of 22126305 is about 280.7391398000.

Adding to 22126305 its reverse (50362122), we get a palindrome (72488427).

The spelling of 22126305 in words is "twenty-two million, one hundred twenty-six thousand, three hundred five".