2151422054 has 16 divisors (see below), whose sum is σ = 3368693616. Its totient is φ = 1029477600.

The previous prime is 2151422027. The next prime is 2151422071. The reversal of 2151422054 is 4502241512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233792 + ... + 242819.

It is an arithmetic number, because the mean of its divisors is an integer number (210543351).

Almost surely, 2^2151422054 is an apocalyptic number.

2151422054 is a deficient number, since it is larger than the sum of its proper divisors (1217271562).

2151422054 is a wasteful number, since it uses less digits than its factorization.

2151422054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476711.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2151422054 is about 46383.4243453413. The cubic root of 2151422054 is about 1290.9473749074.

Adding to 2151422054 its reverse (4502241512), we get a palindrome (6653663566).

The spelling of 2151422054 in words is "two billion, one hundred fifty-one million, four hundred twenty-two thousand, fifty-four".