1373222016 has 96 divisors (see below), whose sum is σ = 3992652300. Its totient is φ = 452984832.

The previous prime is 1373221981. The next prime is 1373222021. The reversal of 1373222016 is 6102223731.

1373222016 is a `hidden beast` number, since 137 + 322 + 201 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1346596416 + 26625600 = 36696^2 + 5160^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105600 + ... + 117888.

Almost surely, 2^1373222016 is an apocalyptic number.

1373222016 is a gapful number since it is divisible by the number (16) 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 1373222016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996326150).

1373222016 is an abundant number, since it is smaller than the sum of its proper divisors (2619430284).

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

1373222016 is a wasteful number, since it uses less digits than its factorization.

1373222016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12406 (or 12391 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1373222016 is about 37057.0103489205. The cubic root of 1373222016 is about 1111.5105414534.

Adding to 1373222016 its reverse (6102223731), we get a palindrome (7475445747).

The spelling of 1373222016 in words is "one billion, three hundred seventy-three million, two hundred twenty-two thousand, sixteen".