2544151222 has 8 divisors (see below), whose sum is σ = 3816459000. Its totient is φ = 1271998224.

The previous prime is 2544151177. The next prime is 2544151261. The reversal of 2544151222 is 2221514452.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20529 + ... + 74227.

It is an arithmetic number, because the mean of its divisors is an integer number (477057375).

Almost surely, 2^2544151222 is an apocalyptic number.

2544151222 is a deficient number, since it is larger than the sum of its proper divisors (1272307778).

2544151222 is a wasteful number, since it uses less digits than its factorization.

2544151222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77390.

The product of its digits is 6400, while the sum is 28.

The square root of 2544151222 is about 50439.5799149834. The cubic root of 2544151222 is about 1365.1518876367.

Adding to 2544151222 its reverse (2221514452), we get a palindrome (4765665674).

The spelling of 2544151222 in words is "two billion, five hundred forty-four million, one hundred fifty-one thousand, two hundred twenty-two".