22214737 has 4 divisors (see below), whose sum is σ = 22224820. Its totient is φ = 22204656.

The previous prime is 22214729. The next prime is 22214747. The reversal of 22214737 is 73741222.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 18740241 + 3474496 = 4329^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 22214737 - 2³ = 22214729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22214747) 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, 162 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (5556205).

Almost surely, 2^22214737 is an apocalyptic number.

It is an amenable number.

22214737 is a deficient number, since it is larger than the sum of its proper divisors (10083).

22214737 is an equidigital number, since it uses as much as digits as its factorization.

22214737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082.

The product of its digits is 4704, while the sum is 28.

The square root of 22214737 is about 4713.2512133346. The cubic root of 22214737 is about 281.1126518177.

Adding to 22214737 its reverse (73741222), we get a palindrome (95955959).

The spelling of 22214737 in words is "twenty-two million, two hundred fourteen thousand, seven hundred thirty-seven".