22267723 has 4 divisors (see below), whose sum is σ = 22277728. Its totient is φ = 22257720.

The previous prime is 22267717. The next prime is 22267787. The reversal of 22267723 is 32776222.

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: 32776222 = 2 ⋅16388111.

It is a cyclic number.

It is not a de Polignac number, because 22267723 - 2⁵ = 22267691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22267793) 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, 13 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (5569432).

Almost surely, 2^22267723 is an apocalyptic number.

22267723 is a deficient number, since it is larger than the sum of its proper divisors (10005).

22267723 is an equidigital number, since it uses as much as digits as its factorization.

22267723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10004.

The product of its digits is 14112, while the sum is 31.

The square root of 22267723 is about 4718.8688263184. The cubic root of 22267723 is about 281.3359751642.

The spelling of 22267723 in words is "twenty-two million, two hundred sixty-seven thousand, seven hundred twenty-three".