1355220199 has 6 divisors (see below), whose sum is σ = 1403564240. Its totient is φ = 1308487656.

The previous prime is 1355220179. The next prime is 1355220203. The reversal of 1355220199 is 9910225531.

It is not a de Polignac number, because 1355220199 - 2²¹ = 1353123047 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 (1355220169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 804879 + ... + 806560.

Almost surely, 2^1355220199 is an apocalyptic number.

1355220199 is a deficient number, since it is larger than the sum of its proper divisors (48344041).

1355220199 is an equidigital number, since it uses as much as digits as its factorization.

1355220199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611497 (or 1611468 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 1355220199 is about 36813.3155121893. The cubic root of 1355220199 is about 1106.6321638591.

The spelling of 1355220199 in words is "one billion, three hundred fifty-five million, two hundred twenty thousand, one hundred ninety-nine".