421322 has 12 divisors (see below), whose sum is σ = 695058. Its totient is φ = 191400.

The previous prime is 421313. The next prime is 421331. The reversal of 421322 is 223124.

It is an interprime number because it is at equal distance from previous prime (421313) and next prime (421331).

It can be written as a sum of positive squares in only one way, i.e., 421201 + 121 = 649^2 + 11^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421297 and 421306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 629 + ... + 1112.

2⁴²¹³²² is an apocalyptic number.

421322 is a deficient number, since it is larger than the sum of its proper divisors (273736).

421322 is a wasteful number, since it uses less digits than its factorization.

421322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1754 counting only the distinct ones).

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

The square root of 421322 is about 649.0932136450. The cubic root of 421322 is about 74.9672153006.

Adding to 421322 its reverse (223124), we get a palindrome (644446).

The spelling of 421322 in words is "four hundred twenty-one thousand, three hundred twenty-two", and thus it is an iban number.