1002225403402 has 8 divisors (see below), whose sum is σ = 1503342698436. Its totient is φ = 501111170592.

The previous prime is 1002225403393. The next prime is 1002225403427. The reversal of 1002225403402 is 2043045222001.

It can be written as a sum of positive squares in 2 ways, for example, as 823627036521 + 178598366881 = 907539^2 + 422609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419628 + ... + 1476664.

Almost surely, 2^{1002225403402} is an apocalyptic number.

1002225403402 is a deficient number, since it is larger than the sum of its proper divisors (501117295034).

1002225403402 is a wasteful number, since it uses less digits than its factorization.

1002225403402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531112.

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 1002225403402 in words is "one trillion, two billion, two hundred twenty-five million, four hundred three thousand, four hundred two".