1428340608722 has 8 divisors (see below), whose sum is σ = 2142516906876. Its totient is φ = 714168306432.

The previous prime is 1428340608707. The next prime is 1428340608727. The reversal of 1428340608722 is 2278060438241.

It can be written as a sum of positive squares in 2 ways, for example, as 1042663589881 + 385677018841 = 1021109^2 + 621029^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1428340608727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166718 + ... + 1698374.

Almost surely, 2^{1428340608722} is an apocalyptic number.

1428340608722 is a deficient number, since it is larger than the sum of its proper divisors (714176298154).

1428340608722 is a wasteful number, since it uses less digits than its factorization.

1428340608722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997932.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 1428340608722 in words is "one trillion, four hundred twenty-eight billion, three hundred forty million, six hundred eight thousand, seven hundred twenty-two".