1342221643 has 8 divisors (see below), whose sum is σ = 1534751712. Its totient is φ = 1149887616.

The previous prime is 1342221641. The next prime is 1342221691. The reversal of 1342221643 is 3461222431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1342221643 - 2¹ = 1342221641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342221641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34030 + ... + 61987.

It is an arithmetic number, because the mean of its divisors is an integer number (191843964).

Almost surely, 2^1342221643 is an apocalyptic number.

1342221643 is a deficient number, since it is larger than the sum of its proper divisors (192530069).

1342221643 is an equidigital number, since it uses as much as digits as its factorization.

1342221643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98021.

The product of its digits is 6912, while the sum is 28.

The square root of 1342221643 is about 36636.3431990694. The cubic root of 1342221643 is about 1103.0827144301.

The spelling of 1342221643 in words is "one billion, three hundred forty-two million, two hundred twenty-one thousand, six hundred forty-three".