1422103140 has 144 divisors (see below), whose sum is σ = 4497834432. Its totient is φ = 363356928.

The previous prime is 1422103121. The next prime is 1422103141. The reversal of 1422103140 is 413012241.

1422103140 is a `hidden beast` number, since 1 + 422 + 103 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1422103141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444627 + ... + 447813.

Almost surely, 2^1422103140 is an apocalyptic number.

1422103140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422103140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248917216).

1422103140 is an abundant number, since it is smaller than the sum of its proper divisors (3075731292).

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

1422103140 is a wasteful number, since it uses less digits than its factorization.

1422103140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1422103140 is about 37710.7828081041. The cubic root of 1422103140 is about 1124.5454993692.

Adding to 1422103140 its reverse (413012241), we get a palindrome (1835115381).

The spelling of 1422103140 in words is "one billion, four hundred twenty-two million, one hundred three thousand, one hundred forty".