133224489 has 12 divisors (see below), whose sum is σ = 195072436. Its totient is φ = 87599232.

The previous prime is 133224479. The next prime is 133224493. The reversal of 133224489 is 984422331.

133224489 is a `hidden beast` number, since 1 + 332 + 244 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 67371264 + 65853225 = 8208^2 + 8115^2 .

It is not a de Polignac number, because 133224489 - 2⁷ = 133224361 is a prime.

It is a super-2 number, since 2×133224489² = 35497528938622242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133224439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100732 + ... + 102045.

Almost surely, 2^133224489 is an apocalyptic number.

It is an amenable number.

133224489 is a deficient number, since it is larger than the sum of its proper divisors (61847947).

133224489 is a wasteful number, since it uses less digits than its factorization.

133224489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202856 (or 202853 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 133224489 is about 11542.2913236497. The cubic root of 133224489 is about 510.7339030191.

The spelling of 133224489 in words is "one hundred thirty-three million, two hundred twenty-four thousand, four hundred eighty-nine".