3215442002 has 4 divisors (see below), whose sum is σ = 4823163006. Its totient is φ = 1607721000.

The previous prime is 3215441993. The next prime is 3215442011. The reversal of 3215442002 is 2002445123.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (3215441993) and next prime (3215442011).

It can be written as a sum of positive squares in only one way, i.e., 2961645241 + 253796761 = 54421^2 + 15931^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803860499 + ... + 803860502.

Almost surely, 2^3215442002 is an apocalyptic number.

3215442002 is a deficient number, since it is larger than the sum of its proper divisors (1607721004).

3215442002 is a wasteful number, since it uses less digits than its factorization.

3215442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607721003.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 3215442002 is about 56704.8675335725. The cubic root of 3215442002 is about 1475.9791643835.

Adding to 3215442002 its reverse (2002445123), we get a palindrome (5217887125).

The spelling of 3215442002 in words is "three billion, two hundred fifteen million, four hundred forty-two thousand, two".