1984549022 has 4 divisors (see below), whose sum is σ = 2976823536. Its totient is φ = 992274510.

The previous prime is 1984548991. The next prime is 1984549027. The reversal of 1984549022 is 2209454891.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984549027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496137254 + ... + 496137257.

It is an arithmetic number, because the mean of its divisors is an integer number (744205884).

Almost surely, 2^1984549022 is an apocalyptic number.

1984549022 is a deficient number, since it is larger than the sum of its proper divisors (992274514).

1984549022 is an equidigital number, since it uses as much as digits as its factorization.

1984549022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992274513.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 1984549022 is about 44548.2774302217. The cubic root of 1984549022 is about 1256.6681566572.

The spelling of 1984549022 in words is "one billion, nine hundred eighty-four million, five hundred forty-nine thousand, twenty-two".