190390224 has 80 divisors (see below), whose sum is σ = 509967360. Its totient is φ = 61163520.

The previous prime is 190390223. The next prime is 190390229. The reversal of 190390224 is 422093091.

It is a junction number, because it is equal to n+sod(n) for n = 190390191 and 190390200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190390223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174609 + ... + 175695.

It is an arithmetic number, because the mean of its divisors is an integer number (6374592).

Almost surely, 2^190390224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190390224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254983680).

190390224 is an abundant number, since it is smaller than the sum of its proper divisors (319577136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190390224 is a wasteful number, since it uses less digits than its factorization.

190390224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 190390224 is about 13798.1964038783. The cubic root of 190390224 is about 575.2830102722.

The spelling of 190390224 in words is "one hundred ninety million, three hundred ninety thousand, two hundred twenty-four".