22213669 has 4 divisors (see below), whose sum is σ = 22233196. Its totient is φ = 22194144.

The previous prime is 22213663. The next prime is 22213673. The reversal of 22213669 is 96631222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96631222 = 2 ⋅48315611.

It can be written as a sum of positive squares in 2 ways, for example, as 2765569 + 19448100 = 1663^2 + 4410^2 .

It is a cyclic number.

It is not a de Polignac number, because 22213669 - 2³ = 22213661 is a prime.

It is a super-2 number, since 2×22213669² = 986894180883122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22213669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213661) 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, 7944 + ... + 10369.

It is an arithmetic number, because the mean of its divisors is an integer number (5558299).

Almost surely, 2^22213669 is an apocalyptic number.

It is an amenable number.

22213669 is a deficient number, since it is larger than the sum of its proper divisors (19527).

22213669 is a wasteful number, since it uses less digits than its factorization.

22213669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19526.

The product of its digits is 7776, while the sum is 31.

The square root of 22213669 is about 4713.1379143836. The cubic root of 22213669 is about 281.1081468034.

The spelling of 22213669 in words is "twenty-two million, two hundred thirteen thousand, six hundred sixty-nine".