2218377 has 12 divisors (see below), whose sum is σ = 3440976. Its totient is φ = 1267560.

The previous prime is 2218367. The next prime is 2218423. The reversal of 2218377 is 7738122.

It is not a de Polignac number, because 2218377 - 2⁴ = 2218361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2218367) 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, 7399 + ... + 7692.

It is an arithmetic number, because the mean of its divisors is an integer number (286748).

2^2218377 is an apocalyptic number.

It is an amenable number.

2218377 is a deficient number, since it is larger than the sum of its proper divisors (1222599).

2218377 is a wasteful number, since it uses less digits than its factorization.

2218377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15108 (or 15101 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 2218377 is about 1489.4216998553. The cubic root of 2218377 is about 130.4202769038.

Adding to 2218377 its product of digits (4704), we get a square (2223081 = 1491²).

The spelling of 2218377 in words is "two million, two hundred eighteen thousand, three hundred seventy-seven".