22069 has 4 divisors (see below), whose sum is σ = 22860. Its totient is φ = 21280.

The previous prime is 22067. The next prime is 22073. The reversal of 22069 is 96022.

22069 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3844 + 18225 = 62^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 22069 - 2¹ = 22067 is a prime.

It is a super-2 number, since 2×22069² = 974081522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22063) 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, 352 + ... + 409.

It is an arithmetic number, because the mean of its divisors is an integer number (5715).

2²²⁰⁶⁹ is an apocalyptic number.

22069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22069 is a deficient number, since it is larger than the sum of its proper divisors (791).

22069 is an equidigital number, since it uses as much as digits as its factorization.

22069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22069 is about 148.5563866012. The cubic root of 22069 is about 28.0496567818.

It can be divided in two parts, 220 and 69, that added together give a square (289 = 17²).

The spelling of 22069 in words is "twenty-two thousand, sixty-nine".