2142266 has 16 divisors (see below), whose sum is σ = 3832704. Its totient is φ = 878064.

The previous prime is 2142253. The next prime is 2142271. The reversal of 2142266 is 6622412.

It is a super-2 number, since 2×2142266² = 9178607229512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3005 + ... + 3648.

It is an arithmetic number, because the mean of its divisors is an integer number (239544).

2^2142266 is an apocalyptic number.

2142266 is a deficient number, since it is larger than the sum of its proper divisors (1690438).

2142266 is a wasteful number, since it uses less digits than its factorization.

2142266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685.

The product of its digits is 1152, while the sum is 23.

The square root of 2142266 is about 1463.6481817705. The cubic root of 2142266 is about 128.9113426442.

Adding to 2142266 its reverse (6622412), we get a palindrome (8764678).

The spelling of 2142266 in words is "two million, one hundred forty-two thousand, two hundred sixty-six".