190287022 has 4 divisors (see below), whose sum is σ = 285430536. Its totient is φ = 95143510.

The previous prime is 190287011. The next prime is 190287023. The reversal of 190287022 is 220782091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220782091 = 149 ⋅1481759.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190287023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47571754 + ... + 47571757.

It is an arithmetic number, because the mean of its divisors is an integer number (71357634).

Almost surely, 2^190287022 is an apocalyptic number.

190287022 is a deficient number, since it is larger than the sum of its proper divisors (95143514).

190287022 is an equidigital number, since it uses as much as digits as its factorization.

190287022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95143513.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 190287022 is about 13794.4562053022. The cubic root of 190287022 is about 575.1790464472.

The spelling of 190287022 in words is "one hundred ninety million, two hundred eighty-seven thousand, twenty-two".