321426122 has 4 divisors (see below), whose sum is σ = 482139186. Its totient is φ = 160713060.

The previous prime is 321426121. The next prime is 321426139. The reversal of 321426122 is 221624123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221624123 = 7 ⋅31660589.

It can be written as a sum of positive squares in only one way, i.e., 181737361 + 139688761 = 13481^2 + 11819^2 .

It is not an unprimeable number, because it can be changed into a prime (321426121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80356529 + ... + 80356532.

Almost surely, 2^321426122 is an apocalyptic number.

321426122 is a deficient number, since it is larger than the sum of its proper divisors (160713064).

321426122 is a wasteful number, since it uses less digits than its factorization.

321426122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160713063.

The product of its digits is 1152, while the sum is 23.

The square root of 321426122 is about 17928.3608285866. The cubic root of 321426122 is about 685.0049705715.

The spelling of 321426122 in words is "three hundred twenty-one million, four hundred twenty-six thousand, one hundred twenty-two".