190272229 has 4 divisors (see below), whose sum is σ = 217453984. Its totient is φ = 163090476.

The previous prime is 190272223. The next prime is 190272233. The reversal of 190272229 is 922272091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 922272091 = 13 ⋅70944007.

It is a cyclic number.

It is not a de Polignac number, because 190272229 - 2³ = 190272221 is a prime.

It is a super-2 number, since 2×190272229² = 72407042257256882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190272194 and 190272203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190272221) 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, 13590867 + ... + 13590880.

It is an arithmetic number, because the mean of its divisors is an integer number (54363496).

Almost surely, 2^190272229 is an apocalyptic number.

It is an amenable number.

190272229 is a deficient number, since it is larger than the sum of its proper divisors (27181755).

190272229 is an equidigital number, since it uses as much as digits as its factorization.

190272229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27181754.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 190272229 is about 13793.9200012179. The cubic root of 190272229 is about 575.1641411671.

The spelling of 190272229 in words is "one hundred ninety million, two hundred seventy-two thousand, two hundred twenty-nine".