22214461 has 4 divisors (see below), whose sum is σ = 23521212. Its totient is φ = 20907712.

The previous prime is 22214449. The next prime is 22214471. The reversal of 22214461 is 16441222.

It is a happy number.

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 13003236 + 9211225 = 3606^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 22214461 - 2⁵ = 22214429 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 (22214471) 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, 653350 + ... + 653383.

It is an arithmetic number, because the mean of its divisors is an integer number (5880303).

Almost surely, 2^22214461 is an apocalyptic number.

It is an amenable number.

22214461 is a deficient number, since it is larger than the sum of its proper divisors (1306751).

22214461 is a wasteful number, since it uses less digits than its factorization.

22214461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306750.

The product of its digits is 768, while the sum is 22.

The square root of 22214461 is about 4713.2219340914. The cubic root of 22214461 is about 281.1114876144. Note that the first 3 decimals are identical.

Adding to 22214461 its reverse (16441222), we get a palindrome (38655683).

The spelling of 22214461 in words is "twenty-two million, two hundred fourteen thousand, four hundred sixty-one".