1343922720 has 384 divisors, whose sum is σ = 5039677440. Its totient is φ = 294727680.

The previous prime is 1343922707. The next prime is 1343922733. The reversal of 1343922720 is 272293431.

It is an interprime number because it is at equal distance from previous prime (1343922707) and next prime (1343922733).

It is a super-2 number, since 2×1343922720² = 3612256554664396800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16191799 + ... + 16191881.

It is an arithmetic number, because the mean of its divisors is an integer number (13124160).

Almost surely, 2^1343922720 is an apocalyptic number.

1343922720 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 1343922720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2519838720).

1343922720 is an abundant number, since it is smaller than the sum of its proper divisors (3695754720).

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

1343922720 is a wasteful number, since it uses less digits than its factorization.

1343922720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 1343922720 is about 36659.5515520853. The cubic root of 1343922720 is about 1103.5485183950.

The spelling of 1343922720 in words is "one billion, three hundred forty-three million, nine hundred twenty-two thousand, seven hundred twenty".