22214505 has 16 divisors (see below), whose sum is σ = 35627904. Its totient is φ = 11819520.

The previous prime is 22214501. The next prime is 22214509. The reversal of 22214505 is 50541222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22214501) and next prime (22214509).

It is not a de Polignac number, because 22214505 - 2² = 22214501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22214501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5785 + ... + 8825.

It is an arithmetic number, because the mean of its divisors is an integer number (2226744).

Almost surely, 2^22214505 is an apocalyptic number.

It is an amenable number.

22214505 is a deficient number, since it is larger than the sum of its proper divisors (13413399).

22214505 is a wasteful number, since it uses less digits than its factorization.

22214505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 22214505 is about 4713.2266018090. The cubic root of 22214505 is about 281.1116732127. Note that the first 3 decimals are identical.

Adding to 22214505 its reverse (50541222), we get a palindrome (72755727).

The spelling of 22214505 in words is "twenty-two million, two hundred fourteen thousand, five hundred five".