2188562 has 8 divisors (see below), whose sum is σ = 3289356. Its totient is φ = 1092112.

The previous prime is 2188541. The next prime is 2188583. The reversal of 2188562 is 2658812.

It is an interprime number because it is at equal distance from previous prime (2188541) and next prime (2188583).

It can be written as a sum of positive squares in 2 ways, for example, as 1957201 + 231361 = 1399^2 + 481^2 .

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

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, 908 + ... + 2280.

2^2188562 is an apocalyptic number.

2188562 is a deficient number, since it is larger than the sum of its proper divisors (1100794).

2188562 is a wasteful number, since it uses less digits than its factorization.

2188562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its digits is 7680, while the sum is 32.

The square root of 2188562 is about 1479.3789237379. The cubic root of 2188562 is about 129.8333564952.

The spelling of 2188562 in words is "two million, one hundred eighty-eight thousand, five hundred sixty-two".