190404224 has 32 divisors (see below), whose sum is σ = 380352900. Its totient is φ = 94943232.

The previous prime is 190404223. The next prime is 190404229. The reversal of 190404224 is 422404091.

It can be written as a sum of positive squares in 2 ways, for example, as 189557824 + 846400 = 13768^2 + 920^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 190404193 and 190404202.

It is not an unprimeable number, because it can be changed into a prime (190404223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50534 + ... + 54170.

Almost surely, 2^190404224 is an apocalyptic number.

It is an amenable number.

190404224 is a deficient number, since it is larger than the sum of its proper divisors (189948676).

190404224 is an equidigital number, since it uses as much as digits as its factorization.

190404224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060 (or 4048 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 190404224 is about 13798.7037072328. The cubic root of 190404224 is about 575.2971107244.

The spelling of 190404224 in words is "one hundred ninety million, four hundred four thousand, two hundred twenty-four".