22106369 has 4 divisors (see below), whose sum is σ = 22192644. Its totient is φ = 22020096.

The previous prime is 22106363. The next prime is 22106387. The reversal of 22106369 is 96360122.

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 19465744 + 2640625 = 4412^2 + 1625^2 .

It is a cyclic number.

It is not a de Polignac number, because 22106369 - 2¹⁶ = 22040833 is a prime.

It is a super-2 number, since 2×22106369² = 977383100728322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22106363) 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, 42752 + ... + 43265.

It is an arithmetic number, because the mean of its divisors is an integer number (5548161).

Almost surely, 2^22106369 is an apocalyptic number.

It is an amenable number.

22106369 is a deficient number, since it is larger than the sum of its proper divisors (86275).

22106369 is an equidigital number, since it uses as much as digits as its factorization.

22106369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86274.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22106369 is about 4701.7410605009. The cubic root of 22106369 is about 280.6547983000.

The spelling of 22106369 in words is "twenty-two million, one hundred six thousand, three hundred sixty-nine".