2142268 has 12 divisors (see below), whose sum is σ = 3776920. Its totient is φ = 1063152.

The previous prime is 2142253. The next prime is 2142271. The reversal of 2142268 is 8622412.

It is a happy number.

It is a plaindrome in base 11.

It is a congruent number.

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, 1371 + ... + 2482.

2^2142268 is an apocalyptic number.

It is an amenable number.

2142268 is a deficient number, since it is larger than the sum of its proper divisors (1634652).

2142268 is a wasteful number, since it uses less digits than its factorization.

2142268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3994 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2142268 is about 1463.6488649946. The cubic root of 2142268 is about 128.9113827610.

It can be divided in two parts, 2142 and 268, that multiplied together give a triangular number (574056 = T₁₀₇₁).

The spelling of 2142268 in words is "two million, one hundred forty-two thousand, two hundred sixty-eight".