190212226 has 8 divisors (see below), whose sum is σ = 285399180. Its totient is φ = 95079168.

The previous prime is 190212221. The next prime is 190212229. The reversal of 190212226 is 622212091.

It can be written as a sum of positive squares in 2 ways, for example, as 189035001 + 1177225 = 13749^2 + 1085^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 190212226.

It is not an unprimeable number, because it can be changed into a prime (190212221) 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, 3031 + ... + 19738.

Almost surely, 2^190212226 is an apocalyptic number.

190212226 is a deficient number, since it is larger than the sum of its proper divisors (95186954).

190212226 is a wasteful number, since it uses less digits than its factorization.

190212226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26948.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 190212226 is about 13791.7448497280. The cubic root of 190212226 is about 575.1036748157.

The spelling of 190212226 in words is "one hundred ninety million, two hundred twelve thousand, two hundred twenty-six".