1344422020 has 96 divisors (see below), whose sum is σ = 2997479520. Its totient is φ = 505774080.

The previous prime is 1344422011. The next prime is 1344422041. The reversal of 1344422020 is 202244431.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 497379204 + 847042816 = 22302^2 + 29104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1344421982 and 1344422000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4784280 + ... + 4784560.

It is an arithmetic number, because the mean of its divisors is an integer number (31223745).

Almost surely, 2^1344422020 is an apocalyptic number.

1344422020 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 1344422020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1498739760).

1344422020 is an abundant number, since it is smaller than the sum of its proper divisors (1653057500).

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

1344422020 is a wasteful number, since it uses less digits than its factorization.

1344422020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1344422020 is about 36666.3608775128. The cubic root of 1344422020 is about 1103.6851665183.

Adding to 1344422020 its reverse (202244431), we get a palindrome (1546666451).

The spelling of 1344422020 in words is "one billion, three hundred forty-four million, four hundred twenty-two thousand, twenty".