1355222413 has 8 divisors (see below), whose sum is σ = 1360180800. Its totient is φ = 1350273408.

The previous prime is 1355222387. The next prime is 1355222419. The reversal of 1355222413 is 3142225531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355222413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355222419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406170 + ... + 409492.

It is an arithmetic number, because the mean of its divisors is an integer number (170022600).

Almost surely, 2^1355222413 is an apocalyptic number.

It is an amenable number.

1355222413 is a deficient number, since it is larger than the sum of its proper divisors (4958387).

1355222413 is an equidigital number, since it uses as much as digits as its factorization.

1355222413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4691.

The product of its digits is 7200, while the sum is 28.

The square root of 1355222413 is about 36813.3455828182. The cubic root of 1355222413 is about 1106.6327664875.

Adding to 1355222413 its reverse (3142225531), we get a palindrome (4497447944).

The spelling of 1355222413 in words is "one billion, three hundred fifty-five million, two hundred twenty-two thousand, four hundred thirteen".