2142046226 has 4 divisors (see below), whose sum is σ = 3213069342. Its totient is φ = 1071023112.

The previous prime is 2142046219. The next prime is 2142046243. The reversal of 2142046226 is 6226402412.

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

It can be written as a sum of positive squares in only one way, i.e., 1482327001 + 659719225 = 38501^2 + 25685^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535511555 + ... + 535511558.

Almost surely, 2^2142046226 is an apocalyptic number.

2142046226 is a deficient number, since it is larger than the sum of its proper divisors (1071023116).

2142046226 is a wasteful number, since it uses less digits than its factorization.

2142046226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071023115.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 2142046226 is about 46282.2452566856. The cubic root of 2142046226 is about 1289.0693417670.

Adding to 2142046226 its reverse (6226402412), we get a palindrome (8368448638).

The spelling of 2142046226 in words is "two billion, one hundred forty-two million, forty-six thousand, two hundred twenty-six".