1381422 has 32 divisors (see below), whose sum is σ = 3262464. Its totient is φ = 381600.

The previous prime is 1381421. The next prime is 1381427. The reversal of 1381422 is 2241831.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772 + ... + 1832.

It is an arithmetic number, because the mean of its divisors is an integer number (101952).

2^1381422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1381422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631232).

1381422 is an abundant number, since it is smaller than the sum of its proper divisors (1881042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381422 is a wasteful number, since it uses less digits than its factorization.

1381422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its digits is 384, while the sum is 21.

The square root of 1381422 is about 1175.3391000048. The cubic root of 1381422 is about 111.3718557057.

The spelling of 1381422 in words is "one million, three hundred eighty-one thousand, four hundred twenty-two".