22165701 has 16 divisors (see below), whose sum is σ = 30489984. Its totient is φ = 14313024.

The previous prime is 22165681. The next prime is 22165709. The reversal of 22165701 is 10756122.

It is not a de Polignac number, because 22165701 - 2⁵ = 22165669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22165709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43816 + ... + 44318.

It is an arithmetic number, because the mean of its divisors is an integer number (1905624).

Almost surely, 2^22165701 is an apocalyptic number.

It is an amenable number.

22165701 is a deficient number, since it is larger than the sum of its proper divisors (8324283).

22165701 is a wasteful number, since it uses less digits than its factorization.

22165701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 22165701 is about 4708.0464101366. The cubic root of 22165701 is about 280.9056601704.

The spelling of 22165701 in words is "twenty-two million, one hundred sixty-five thousand, seven hundred one".