402222388857 has 32 divisors (see below), whose sum is σ = 570164313600. Its totient is φ = 251345073408.

The previous prime is 402222388807. The next prime is 402222388937. The reversal of 402222388857 is 758883222204.

It is not a de Polignac number, because 402222388857 - 2⁶ = 402222388793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (402222388807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15188494 + ... + 15214952.

It is an arithmetic number, because the mean of its divisors is an integer number (17817634800).

Almost surely, 2^402222388857 is an apocalyptic number.

It is an amenable number.

402222388857 is a deficient number, since it is larger than the sum of its proper divisors (167941924743).

402222388857 is a wasteful number, since it uses less digits than its factorization.

402222388857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27685.

The product of its (nonzero) digits is 3440640, while the sum is 51.

The spelling of 402222388857 in words is "four hundred two billion, two hundred twenty-two million, three hundred eighty-eight thousand, eight hundred fifty-seven".