1322103420 has 144 divisors (see below), whose sum is σ = 4468359168. Its totient is φ = 313668480.

The previous prime is 1322103403. The next prime is 1322103443. The reversal of 1322103420 is 243012231.

1322103420 is a `hidden beast` number, since 1 + 32 + 210 + 3 + 420 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1322103393 and 1322103402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85957 + ... + 100163.

It is an arithmetic number, because the mean of its divisors is an integer number (31030272).

Almost surely, 2^1322103420 is an apocalyptic number.

1322103420 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 1322103420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234179584).

1322103420 is an abundant number, since it is smaller than the sum of its proper divisors (3146255748).

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

1322103420 is a wasteful number, since it uses less digits than its factorization.

1322103420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14280 (or 14275 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1322103420 is about 36360.7400914778. The cubic root of 1322103420 is about 1097.5436705485.

Adding to 1322103420 its reverse (243012231), we get a palindrome (1565115651).

The spelling of 1322103420 in words is "one billion, three hundred twenty-two million, one hundred three thousand, four hundred twenty".