402222431402 has 64 divisors (see below), whose sum is σ = 681964904448. Its totient is φ = 176267928000.

The previous prime is 402222431339. The next prime is 402222431417. The reversal of 402222431402 is 204134222204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340577252 + ... + 340578432.

It is an arithmetic number, because the mean of its divisors is an integer number (10655701632).

Almost surely, 2^402222431402 is an apocalyptic number.

402222431402 is a deficient number, since it is larger than the sum of its proper divisors (279742473046).

402222431402 is a wasteful number, since it uses less digits than its factorization.

402222431402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 402222431402 its reverse (204134222204), we get a palindrome (606356653606).

The spelling of 402222431402 in words is "four hundred two billion, two hundred twenty-two million, four hundred thirty-one thousand, four hundred two".