1344552220 has 24 divisors (see below), whose sum is σ = 3080247408. Its totient is φ = 488928000.

The previous prime is 1344552217. The next prime is 1344552241. The reversal of 1344552220 is 222554431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3055581 + ... + 3056020.

It is an arithmetic number, because the mean of its divisors is an integer number (128343642).

Almost surely, 2^1344552220 is an apocalyptic number.

1344552220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344552220 is an abundant number, since it is smaller than the sum of its proper divisors (1735695188).

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

1344552220 is a wasteful number, since it uses less digits than its factorization.

1344552220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111621 (or 6111619 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1344552220 is about 36668.1363038811. The cubic root of 1344552220 is about 1103.7207940142.

The spelling of 1344552220 in words is "one billion, three hundred forty-four million, five hundred fifty-two thousand, two hundred twenty".