190822140 has 36 divisors (see below), whose sum is σ = 578827704. Its totient is φ = 50885856.

The previous prime is 190822133. The next prime is 190822147. The reversal of 190822140 is 41228091.

It is an interprime number because it is at equal distance from previous prime (190822133) and next prime (190822147).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×190822140² = 72826178228359200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190822147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529882 + ... + 530241.

Almost surely, 2^190822140 is an apocalyptic number.

190822140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190822140 is an abundant number, since it is smaller than the sum of its proper divisors (388005564).

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

190822140 is a wasteful number, since it uses less digits than its factorization.

190822140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060138 (or 1060133 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 190822140 is about 13813.8387134062. The cubic root of 190822140 is about 575.7177074490.

The spelling of 190822140 in words is "one hundred ninety million, eight hundred twenty-two thousand, one hundred forty".