22056767 has 4 divisors (see below), whose sum is σ = 22084776. Its totient is φ = 22028760.

The previous prime is 22056761. The next prime is 22056787. The reversal of 22056767 is 76765022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76765022 = 2 ⋅38382511.

It is a cyclic number.

It is not a de Polignac number, because 22056767 - 2¹⁶ = 21991231 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 (22056761) 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, 12788 + ... + 14409.

It is an arithmetic number, because the mean of its divisors is an integer number (5521194).

Almost surely, 2^22056767 is an apocalyptic number.

22056767 is a deficient number, since it is larger than the sum of its proper divisors (28009).

22056767 is an equidigital number, since it uses as much as digits as its factorization.

22056767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28008.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 22056767 is about 4696.4632437612. The cubic root of 22056767 is about 280.4447311733. Note that the first 3 decimals are identical.

The spelling of 22056767 in words is "twenty-two million, fifty-six thousand, seven hundred sixty-seven".