2142292 has 6 divisors (see below), whose sum is σ = 3749018. Its totient is φ = 1071144.

The previous prime is 2142281. The next prime is 2142293. The reversal of 2142292 is 2922412.

2142292 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 1674436 + 467856 = 1294^2 + 684^2 .

It is a d-powerful number, because it can be written as 2 + 1 + 4⁶ + 2¹³ + 2¹⁵ + 9² + 2²¹ .

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267783 + ... + 267790.

2^2142292 is an apocalyptic number.

It is an amenable number.

2142292 is a deficient number, since it is larger than the sum of its proper divisors (1606726).

2142292 is a wasteful number, since it uses less digits than its factorization.

2142292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535577 (or 535575 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 2142292 is about 1463.6570636594. The cubic root of 2142292 is about 128.9118641608.

The spelling of 2142292 in words is "two million, one hundred forty-two thousand, two hundred ninety-two".