2154548122 has 8 divisors (see below), whose sum is σ = 3232207872. Its totient is φ = 1077145500.

The previous prime is 2154548117. The next prime is 2154548131. The reversal of 2154548122 is 2218454512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2154548122² = 9284155220027453768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41754 + ... + 77797.

It is an arithmetic number, because the mean of its divisors is an integer number (404025984).

Almost surely, 2^2154548122 is an apocalyptic number.

2154548122 is a deficient number, since it is larger than the sum of its proper divisors (1077659750).

2154548122 is a wasteful number, since it uses less digits than its factorization.

2154548122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128564.

The product of its digits is 25600, while the sum is 34.

The square root of 2154548122 is about 46417.1102288800. The cubic root of 2154548122 is about 1291.5723315099.

The spelling of 2154548122 in words is "two billion, one hundred fifty-four million, five hundred forty-eight thousand, one hundred twenty-two".