190222649 has 4 divisors (see below), whose sum is σ = 190266240. Its totient is φ = 190179060.

The previous prime is 190222631. The next prime is 190222663. The reversal of 190222649 is 946222091.

190222649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 190222649 - 2¹⁶ = 190157113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190221649) 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, 14417 + ... + 24254.

It is an arithmetic number, because the mean of its divisors is an integer number (47566560).

Almost surely, 2^190222649 is an apocalyptic number.

It is an amenable number.

190222649 is a deficient number, since it is larger than the sum of its proper divisors (43591).

190222649 is an equidigital number, since it uses as much as digits as its factorization.

190222649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43590.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 190222649 is about 13792.1227155213. The cubic root of 190222649 is about 575.1141792160.

The spelling of 190222649 in words is "one hundred ninety million, two hundred twenty-two thousand, six hundred forty-nine".