133322021 has 8 divisors (see below), whose sum is σ = 152485824. Its totient is φ = 114187680.

The previous prime is 133322009. The next prime is 133322023. The reversal of 133322021 is 120223331.

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 133322021 - 2⁶ = 133321957 is a prime.

It is a super-2 number, since 2×133322021² = 35549522567048882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133322023) 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, 3386 + ... + 16676.

It is an arithmetic number, because the mean of its divisors is an integer number (19060728).

Almost surely, 2^133322021 is an apocalyptic number.

It is an amenable number.

133322021 is a deficient number, since it is larger than the sum of its proper divisors (19163803).

133322021 is a wasteful number, since it uses less digits than its factorization.

133322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14731.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133322021 is about 11546.5155350002. The cubic root of 133322021 is about 510.8585066075.

Adding to 133322021 its reverse (120223331), we get a palindrome (253545352).

The spelling of 133322021 in words is "one hundred thirty-three million, three hundred twenty-two thousand, twenty-one".