3220446503402 has 4 divisors (see below), whose sum is σ = 4830669755106. Its totient is φ = 1610223251700.

The previous prime is 3220446503377. The next prime is 3220446503431. The reversal of 3220446503402 is 2043056440223.

It is a happy number.

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., 3057528519241 + 162917984161 = 1748579^2 + 403631^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805111625849 + ... + 805111625852.

Almost surely, 2^{3220446503402} is an apocalyptic number.

3220446503402 is a deficient number, since it is larger than the sum of its proper divisors (1610223251704).

3220446503402 is a wasteful number, since it uses less digits than its factorization.

3220446503402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610223251703.

The product of its (nonzero) digits is 138240, while the sum is 35.

The spelling of 3220446503402 in words is "three trillion, two hundred twenty billion, four hundred forty-six million, five hundred three thousand, four hundred two".