2142202 has 8 divisors (see below), whose sum is σ = 3227796. Its totient is φ = 1066272.

The previous prime is 2142181. The next prime is 2142211. The reversal of 2142202 is 2022412.

It can be written as a sum of positive squares in 2 ways, for example, as 1792921 + 349281 = 1339^2 + 591^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833 + ... + 2764.

2^2142202 is an apocalyptic number.

2142202 is a deficient number, since it is larger than the sum of its proper divisors (1085594).

2142202 is a wasteful number, since it uses less digits than its factorization.

2142202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2142202 is about 1463.6263184297. The cubic root of 2142202 is about 128.9100588933.

Adding to 2142202 its reverse (2022412), we get a palindrome (4164614).

The spelling of 2142202 in words is "two million, one hundred forty-two thousand, two hundred two".