133224490 has 16 divisors (see below), whose sum is σ = 274061952. Its totient is φ = 45676944.

The previous prime is 133224479. The next prime is 133224493. The reversal of 133224490 is 94422331.

It is not an unprimeable number, because it can be changed into a prime (133224493) 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, 951534 + ... + 951673.

It is an arithmetic number, because the mean of its divisors is an integer number (17128872).

Almost surely, 2^133224490 is an apocalyptic number.

133224490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133224490 is an abundant number, since it is smaller than the sum of its proper divisors (140837462).

133224490 is a wasteful number, since it uses less digits than its factorization.

133224490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903221.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 133224490 is about 11542.2913669687. The cubic root of 133224490 is about 510.7339042970.

The spelling of 133224490 in words is "one hundred thirty-three million, two hundred twenty-four thousand, four hundred ninety".