1337799221 has 8 divisors (see below), whose sum is σ = 1460553024. Its totient is φ = 1215234720.

The previous prime is 1337799181. The next prime is 1337799263. The reversal of 1337799221 is 1229977331.

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

It is a cyclic number.

It is not a de Polignac number, because 1337799221 - 2¹⁸ = 1337537077 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 (1337799271) 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, 32336 + ... + 61001.

It is an arithmetic number, because the mean of its divisors is an integer number (182569128).

Almost surely, 2^1337799221 is an apocalyptic number.

1337799221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1337799221 is a deficient number, since it is larger than the sum of its proper divisors (122753803).

1337799221 is a wasteful number, since it uses less digits than its factorization.

1337799221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94651.

The product of its digits is 142884, while the sum is 44.

The square root of 1337799221 is about 36575.9377323398. The cubic root of 1337799221 is about 1101.8698832323.

The spelling of 1337799221 in words is "one billion, three hundred thirty-seven million, seven hundred ninety-nine thousand, two hundred twenty-one".