2203164 has 36 divisors (see below), whose sum is σ = 5864040. Its totient is φ = 695520.

The previous prime is 2203163. The next prime is 2203169. The reversal of 2203164 is 4613022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2203164² = 9707863221792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2203163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 927 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (162890).

2^2203164 is an apocalyptic number.

It is an amenable number.

2203164 is an abundant number, since it is smaller than the sum of its proper divisors (3660876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2203164 is a wasteful number, since it uses less digits than its factorization.

2203164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2203164 is about 1484.3058983916. The cubic root of 2203164 is about 130.1214643847.

Adding to 2203164 its reverse (4613022), we get a palindrome (6816186).

The spelling of 2203164 in words is "two million, two hundred three thousand, one hundred sixty-four".