1344421220 has 24 divisors (see below), whose sum is σ = 2827785408. Its totient is φ = 536911200.

The previous prime is 1344421219. The next prime is 1344421241. The reversal of 1344421220 is 221244431.

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, 40646 + ... + 65885.

It is an arithmetic number, because the mean of its divisors is an integer number (117824392).

Almost surely, 2^1344421220 is an apocalyptic number.

1344421220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344421220 is an abundant number, since it is smaller than the sum of its proper divisors (1483364188).

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

1344421220 is a wasteful number, since it uses less digits than its factorization.

1344421220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107171 (or 107169 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1344421220 is about 36666.3499683293. The cubic root of 1344421220 is about 1103.6849476018.

Adding to 1344421220 its reverse (221244431), we get a palindrome (1565665651).

The spelling of 1344421220 in words is "one billion, three hundred forty-four million, four hundred twenty-one thousand, two hundred twenty".