321400022 has 16 divisors (see below), whose sum is σ = 511591680. Its totient is φ = 151106472.

The previous prime is 321400021. The next prime is 321400097. The reversal of 321400022 is 220004123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56498 + ... + 61925.

It is an arithmetic number, because the mean of its divisors is an integer number (31974480).

Almost surely, 2^321400022 is an apocalyptic number.

321400022 is a deficient number, since it is larger than the sum of its proper divisors (190191658).

321400022 is a wasteful number, since it uses less digits than its factorization.

321400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118507.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 321400022 is about 17927.6329168131. The cubic root of 321400022 is about 684.9864291271.

Adding to 321400022 its reverse (220004123), we get a palindrome (541404145).

The spelling of 321400022 in words is "three hundred twenty-one million, four hundred thousand, twenty-two".