402222431398 has 8 divisors (see below), whose sum is σ = 603398389608. Its totient is φ = 201089634864.

The previous prime is 402222431339. The next prime is 402222431417. The reversal of 402222431398 is 893134222204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 402222431398.

It is a congruent number.

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, 10767111 + ... + 10804402.

It is an arithmetic number, because the mean of its divisors is an integer number (75424798701).

Almost surely, 2^402222431398 is an apocalyptic number.

402222431398 is a deficient number, since it is larger than the sum of its proper divisors (201175958210).

402222431398 is a wasteful number, since it uses less digits than its factorization.

402222431398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21580838.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 402222431398 in words is "four hundred two billion, two hundred twenty-two million, four hundred thirty-one thousand, three hundred ninety-eight".