1373222017 has 16 divisors (see below), whose sum is σ = 1471955200. Its totient is φ = 1277266320.

The previous prime is 1373221981. The next prime is 1373222021. The reversal of 1373222017 is 7102223731.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1373222017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1373222027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419734 + ... + 422992.

It is an arithmetic number, because the mean of its divisors is an integer number (91997200).

Almost surely, 2^1373222017 is an apocalyptic number.

It is an amenable number.

1373222017 is a deficient number, since it is larger than the sum of its proper divisors (98733183).

1373222017 is a wasteful number, since it uses less digits than its factorization.

1373222017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1373222017 is about 37057.0103624132. The cubic root of 1373222017 is about 1111.5105417232.

Adding to 1373222017 its reverse (7102223731), we get a palindrome (8475445748).

The spelling of 1373222017 in words is "one billion, three hundred seventy-three million, two hundred twenty-two thousand, seventeen".