311422 has 8 divisors (see below), whose sum is σ = 477216. Its totient is φ = 152352.

The previous prime is 311419. The next prime is 311447. The reversal of 311422 is 224113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (59652).

2³¹¹⁴²² is an apocalyptic number.

311422 is a deficient number, since it is larger than the sum of its proper divisors (165794).

311422 is a wasteful number, since it uses less digits than its factorization.

311422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362.

The product of its digits is 48, while the sum is 13.

The square root of 311422 is about 558.0519689061. The cubic root of 311422 is about 67.7823200595.

Adding to 311422 its reverse (224113), we get a palindrome (535535).

It can be divided in two parts, 3114 and 22, that added together give a square (3136 = 56²).

The spelling of 311422 in words is "three hundred eleven thousand, four hundred twenty-two", and thus it is an iban number.