1798722054 has 24 divisors (see below), whose sum is σ = 3980152800. Its totient is φ = 586816848.

The previous prime is 1798722053. The next prime is 1798722089. The reversal of 1798722054 is 4502278971.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1798722053) 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, 1062229 + ... + 1063920.

It is an arithmetic number, because the mean of its divisors is an integer number (165839700).

Almost surely, 2^1798722054 is an apocalyptic number.

1798722054 is an abundant number, since it is smaller than the sum of its proper divisors (2181430746).

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

1798722054 is a wasteful number, since it uses less digits than its factorization.

1798722054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126204 (or 2126201 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 1798722054 is about 42411.3434590323. The cubic root of 1798722054 is about 1216.1524522293.

The spelling of 1798722054 in words is "one billion, seven hundred ninety-eight million, seven hundred twenty-two thousand, fifty-four".