1333221330 has 32 divisors (see below), whose sum is σ = 3656836224. Its totient is φ = 304736256.

The previous prime is 1333221299. The next prime is 1333221353. The reversal of 1333221330 is 331223331.

It is a super-2 number, since 2×1333221330² = 3554958229533937800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1333221297 and 1333221306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174127 + ... + 3174546.

It is an arithmetic number, because the mean of its divisors is an integer number (114276132).

Almost surely, 2^1333221330 is an apocalyptic number.

1333221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1333221330 is an abundant number, since it is smaller than the sum of its proper divisors (2323614894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1333221330 is a wasteful number, since it uses less digits than its factorization.

1333221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348690.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1333221330 is about 36513.3034659972. The cubic root of 1333221330 is about 1100.6115965304.

Adding to 1333221330 its reverse (331223331), we get a palindrome (1664444661).

The spelling of 1333221330 in words is "one billion, three hundred thirty-three million, two hundred twenty-one thousand, three hundred thirty".