321422134 has 16 divisors (see below), whose sum is σ = 526242240. Its totient is φ = 146023560.

The previous prime is 321422117. The next prime is 321422137. The reversal of 321422134 is 431224123.

It is a super-2 number, since 2×321422134² = 206624376450227912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321422137) 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, 69457 + ... + 73939.

It is an arithmetic number, because the mean of its divisors is an integer number (32890140).

Almost surely, 2^321422134 is an apocalyptic number.

321422134 is a deficient number, since it is larger than the sum of its proper divisors (204820106).

321422134 is a wasteful number, since it uses less digits than its factorization.

321422134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755.

The product of its digits is 1152, while the sum is 22.

The square root of 321422134 is about 17928.2496078117. The cubic root of 321422134 is about 685.0021375606.

Adding to 321422134 its reverse (431224123), we get a palindrome (752646257).

The spelling of 321422134 in words is "three hundred twenty-one million, four hundred twenty-two thousand, one hundred thirty-four".