320422132 has 6 divisors (see below), whose sum is σ = 560738738. Its totient is φ = 160211064.

The previous prime is 320422129. The next prime is 320422147. The reversal of 320422132 is 231224023.

It can be written as a sum of positive squares in only one way, i.e., 317338596 + 3083536 = 17814^2 + 1756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40052763 + ... + 40052770.

Almost surely, 2^320422132 is an apocalyptic number.

It is an amenable number.

320422132 is a deficient number, since it is larger than the sum of its proper divisors (240316606).

320422132 is a wasteful number, since it uses less digits than its factorization.

320422132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80105537 (or 80105535 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 320422132 is about 17900.3388794738. The cubic root of 320422132 is about 684.2910113343.

Adding to 320422132 its reverse (231224023), we get a palindrome (551646155).

The spelling of 320422132 in words is "three hundred twenty million, four hundred twenty-two thousand, one hundred thirty-two".