2180422 has 4 divisors (see below), whose sum is σ = 3270636. Its totient is φ = 1090210.

The previous prime is 2180417. The next prime is 2180467. The reversal of 2180422 is 2240812.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2180422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545104 + ... + 545107.

It is an arithmetic number, because the mean of its divisors is an integer number (817659).

2^2180422 is an apocalyptic number.

2180422 is a deficient number, since it is larger than the sum of its proper divisors (1090214).

2180422 is a wasteful number, since it uses less digits than its factorization.

2180422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090213.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2180422 is about 1476.6252063405. The cubic root of 2180422 is about 129.6721918448.

The spelling of 2180422 in words is "two million, one hundred eighty thousand, four hundred twenty-two".