920224499 has 4 divisors (see below), whose sum is σ = 920449920. Its totient is φ = 919999080.

The previous prime is 920224477. The next prime is 920224523. The reversal of 920224499 is 994422029.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 920224499 - 2¹⁶ = 920158963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920224999) 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 3 ways as a sum of consecutive naturals, for example, 106472 + ... + 114789.

It is an arithmetic number, because the mean of its divisors is an integer number (230112480).

Almost surely, 2^920224499 is an apocalyptic number.

920224499 is a deficient number, since it is larger than the sum of its proper divisors (225421).

920224499 is a wasteful number, since it uses less digits than its factorization.

920224499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225420.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 920224499 is about 30335.2023068909. The cubic root of 920224499 is about 972.6679303714.

The spelling of 920224499 in words is "nine hundred twenty million, two hundred twenty-four thousand, four hundred ninety-nine".