1344226620 has 96 divisors (see below), whose sum is σ = 4113607680. Its totient is φ = 325269760.

The previous prime is 1344226591. The next prime is 1344226627. The reversal of 1344226620 is 266224431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344226627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429421 + ... + 432539.

It is an arithmetic number, because the mean of its divisors is an integer number (42850080).

Almost surely, 2^1344226620 is an apocalyptic number.

1344226620 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 1344226620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056803840).

1344226620 is an abundant number, since it is smaller than the sum of its proper divisors (2769381060).

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

1344226620 is a wasteful number, since it uses less digits than its factorization.

1344226620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 1344226620 is about 36663.6962130116. The cubic root of 1344226620 is about 1103.6316935940.

The spelling of 1344226620 in words is "one billion, three hundred forty-four million, two hundred twenty-six thousand, six hundred twenty".