2218877 has 8 divisors (see below), whose sum is σ = 2416800. Its totient is φ = 2029104.

The previous prime is 2218871. The next prime is 2218883. The reversal of 2218877 is 7788122.

It is an interprime number because it is at equal distance from previous prime (2218871) and next prime (2218883).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2218877 - 2⁴ = 2218861 is a prime.

It is a super-2 number, since 2×2218877² = 9846830282258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463 + ... + 2564.

It is an arithmetic number, because the mean of its divisors is an integer number (302100).

2^2218877 is an apocalyptic number.

It is an amenable number.

2218877 is a deficient number, since it is larger than the sum of its proper divisors (197923).

2218877 is a wasteful number, since it uses less digits than its factorization.

2218877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075.

The product of its digits is 12544, while the sum is 35.

The square root of 2218877 is about 1489.5895407796. The cubic root of 2218877 is about 130.4300746433.

It can be divided in two parts, 22188 and 77, that multiplied together give a triangular number (1708476 = T₁₈₄₈).

The spelling of 2218877 in words is "two million, two hundred eighteen thousand, eight hundred seventy-seven".