1333421221 has 8 divisors (see below), whose sum is σ = 1456121088. Its totient is φ = 1210968000.

The previous prime is 1333421209. The next prime is 1333421227. The reversal of 1333421221 is 1221243331.

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

It is not a de Polignac number, because 1333421221 - 2¹⁷ = 1333290149 is a prime.

It is a super-2 number, since 2×1333421221² = 3556024305226261682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1333421192 and 1333421201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1333421227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50260 + ... + 72061.

It is an arithmetic number, because the mean of its divisors is an integer number (182015136).

Almost surely, 2^1333421221 is an apocalyptic number.

1333421221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1333421221 is a deficient number, since it is larger than the sum of its proper divisors (122699867).

1333421221 is a wasteful number, since it uses less digits than its factorization.

1333421221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123323.

The product of its digits is 864, while the sum is 22.

The square root of 1333421221 is about 36516.0405986191. The cubic root of 1333421221 is about 1100.6665989903. Note that the first 3 decimals are identical.

Adding to 1333421221 its reverse (1221243331), we get a palindrome (2554664552).

The spelling of 1333421221 in words is "one billion, three hundred thirty-three million, four hundred twenty-one thousand, two hundred twenty-one".