2202864 has 20 divisors (see below), whose sum is σ = 5690856. Its totient is φ = 734272.

The previous prime is 2202859. The next prime is 2202899. The reversal of 2202864 is 4682022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22899 + ... + 22994.

2^2202864 is an apocalyptic number.

2202864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2202864 is an abundant number, since it is smaller than the sum of its proper divisors (3487992).

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

2202864 is a wasteful number, since it uses less digits than its factorization.

2202864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45904 (or 45898 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2202864 is about 1484.2048376151. The cubic root of 2202864 is about 130.1155579987.

Adding to 2202864 its reverse (4682022), we get a palindrome (6884886).

The spelling of 2202864 in words is "two million, two hundred two thousand, eight hundred sixty-four".