2240002 has 4 divisors (see below), whose sum is σ = 3360006. Its totient is φ = 1120000.

The previous prime is 2239997. The next prime is 2240003. The reversal of 2240002 is 2000422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000422 = 2 ⋅1000211.

It can be written as a sum of positive squares in only one way, i.e., 1413721 + 826281 = 1189^2 + 909^2 .

It is not an unprimeable number, because it can be changed into a prime (2240003) 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, 559999 + ... + 560002.

2^2240002 is an apocalyptic number.

2240002 is a deficient number, since it is larger than the sum of its proper divisors (1120004).

2240002 is a wasteful number, since it uses less digits than its factorization.

2240002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120003.

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2240002 is about 1496.6636228625. The cubic root of 2240002 is about 130.8426913488.

Adding to 2240002 its reverse (2000422), we get a palindrome (4240424).

The spelling of 2240002 in words is "two million, two hundred forty thousand, two".