190144422 has 160 divisors (see below), whose sum is σ = 500556672. Its totient is φ = 53415936.

The previous prime is 190144417. The next prime is 190144453. The reversal of 190144422 is 224441091.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 1682638 + ... + 1682750.

Almost surely, 2^190144422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190144422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250278336).

190144422 is an abundant number, since it is smaller than the sum of its proper divisors (310412250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190144422 is a wasteful number, since it uses less digits than its factorization.

190144422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 190144422 is about 13789.2864935065. The cubic root of 190144422 is about 575.0353319184.

It can be divided in two parts, 19014 and 4422, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 190144422 in words is "one hundred ninety million, one hundred forty-four thousand, four hundred twenty-two".