22214709 has 16 divisors (see below), whose sum is σ = 35903040. Its totient is φ = 13463280.

The previous prime is 22214681. The next prime is 22214719. The reversal of 22214709 is 90741222.

It is not a de Polignac number, because 22214709 - 2⁵ = 22214677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37102 + ... + 37695.

It is an arithmetic number, because the mean of its divisors is an integer number (2243940).

Almost surely, 2^22214709 is an apocalyptic number.

It is an amenable number.

22214709 is a deficient number, since it is larger than the sum of its proper divisors (13688331).

22214709 is a wasteful number, since it uses less digits than its factorization.

22214709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74817 (or 74811 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22214709 is about 4713.2482429849. The cubic root of 22214709 is about 281.1125337106.

The spelling of 22214709 in words is "twenty-two million, two hundred fourteen thousand, seven hundred nine".