22366727 has 4 divisors (see below), whose sum is σ = 22377096. Its totient is φ = 22356360.

The previous prime is 22366711. The next prime is 22366739. The reversal of 22366727 is 72766322.

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: 72766322 = 2 ⋅36383161.

It is a cyclic number.

It is not a de Polignac number, because 22366727 - 2⁴ = 22366711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22366427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593 + ... + 6714.

It is an arithmetic number, because the mean of its divisors is an integer number (5594274).

Almost surely, 2^22366727 is an apocalyptic number.

22366727 is a deficient number, since it is larger than the sum of its proper divisors (10369).

22366727 is an equidigital number, since it uses as much as digits as its factorization.

22366727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10368.

The product of its digits is 42336, while the sum is 35.

The square root of 22366727 is about 4729.3474179849. The cubic root of 22366727 is about 281.7523058493.

The spelling of 22366727 in words is "twenty-two million, three hundred sixty-six thousand, seven hundred twenty-seven".