224991939 has 8 divisors (see below), whose sum is σ = 315778240. Its totient is φ = 142100136.

The previous prime is 224991929. The next prime is 224991941. The reversal of 224991939 is 939199422.

224991939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224991939 - 2¹⁵ = 224959171 is a prime.

It is a super-2 number, since 2×224991939² = 101242745229959442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224991929) 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, 1973557 + ... + 1973670.

It is an arithmetic number, because the mean of its divisors is an integer number (39472280).

Almost surely, 2^224991939 is an apocalyptic number.

224991939 is a deficient number, since it is larger than the sum of its proper divisors (90786301).

224991939 is a wasteful number, since it uses less digits than its factorization.

224991939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3947249.

The product of its digits is 314928, while the sum is 48.

The square root of 224991939 is about 14999.7312975933. The cubic root of 224991939 is about 608.2129359698.

The spelling of 224991939 in words is "two hundred twenty-four million, nine hundred ninety-one thousand, nine hundred thirty-nine".