190225869 has 12 divisors (see below), whose sum is σ = 269433024. Its totient is φ = 119356864.

The previous prime is 190225831. The next prime is 190225883. The reversal of 190225869 is 968522091.

It is not a de Polignac number, because 190225869 - 2⁸ = 190225613 is a prime.

It is a super-2 number, since 2×190225869² = 72371762473610322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 190225869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190225829) 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 11 ways as a sum of consecutive naturals, for example, 108837 + ... + 110570.

It is an arithmetic number, because the mean of its divisors is an integer number (22452752).

Almost surely, 2^190225869 is an apocalyptic number.

It is an amenable number.

190225869 is a deficient number, since it is larger than the sum of its proper divisors (79207155).

190225869 is a wasteful number, since it uses less digits than its factorization.

190225869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219444 (or 219427 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 190225869 is about 13792.2394483275. The cubic root of 190225869 is about 575.1174242856.

The spelling of 190225869 in words is "one hundred ninety million, two hundred twenty-five thousand, eight hundred sixty-nine".