22016164 has 6 divisors (see below), whose sum is σ = 38528294. Its totient is φ = 11008080.

The previous prime is 22016161. The next prime is 22016171. The reversal of 22016164 is 46161022.

It can be written as a sum of positive squares in only one way, i.e., 15665764 + 6350400 = 3958^2 + 2520^2 .

It is a super-2 number, since 2×22016164² = 969422954549792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22016161) 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 as a sum of consecutive naturals, namely, 2752017 + ... + 2752024.

Almost surely, 2^22016164 is an apocalyptic number.

It is an amenable number.

22016164 is a deficient number, since it is larger than the sum of its proper divisors (16512130).

22016164 is a wasteful number, since it uses less digits than its factorization.

22016164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5504045 (or 5504043 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22016164 is about 4692.1385316293. The cubic root of 22016164 is about 280.2725407562.

Adding to 22016164 its reverse (46161022), we get a palindrome (68177186).

It can be divided in two parts, 220 and 16164, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 22016164 in words is "twenty-two million, sixteen thousand, one hundred sixty-four".