321322022978 has 16 divisors (see below), whose sum is σ = 526743679104. Its totient is φ = 145793241360.

The previous prime is 321322022977. The next prime is 321322023119. The reversal of 321322022978 is 879220223123.

It is not an unprimeable number, because it can be changed into a prime (321322022977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13098650 + ... + 13123157.

It is an arithmetic number, because the mean of its divisors is an integer number (32921479944).

Almost surely, 2^321322022978 is an apocalyptic number.

321322022978 is a deficient number, since it is larger than the sum of its proper divisors (205421656126).

321322022978 is a wasteful number, since it uses less digits than its factorization.

321322022978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26222377.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 321322022978 in words is "three hundred twenty-one billion, three hundred twenty-two million, twenty-two thousand, nine hundred seventy-eight".