2240146 has 4 divisors (see below), whose sum is σ = 3360222. Its totient is φ = 1120072.

The previous prime is 2240137. The next prime is 2240159. The reversal of 2240146 is 6410422.

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., 2134521 + 105625 = 1461^2 + 325^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560035 + ... + 560038.

2^2240146 is an apocalyptic number.

2240146 is a deficient number, since it is larger than the sum of its proper divisors (1120076).

2240146 is a wasteful number, since it uses less digits than its factorization.

2240146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120075.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2240146 is about 1496.7117290915. The cubic root of 2240146 is about 130.8454950582.

Adding to 2240146 its reverse (6410422), we get a palindrome (8650568).

The spelling of 2240146 in words is "two million, two hundred forty thousand, one hundred forty-six".