2153144722 has 16 divisors (see below), whose sum is σ = 3279916800. Its totient is φ = 1059882880.

The previous prime is 2153144699. The next prime is 2153144731. The reversal of 2153144722 is 2274413512.

It is a happy 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, 91554 + ... + 112642.

It is an arithmetic number, because the mean of its divisors is an integer number (204994800).

Almost surely, 2^2153144722 is an apocalyptic number.

2153144722 is a deficient number, since it is larger than the sum of its proper divisors (1126772078).

2153144722 is a wasteful number, since it uses less digits than its factorization.

2153144722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21881.

The product of its digits is 13440, while the sum is 31.

The square root of 2153144722 is about 46401.9904960983. The cubic root of 2153144722 is about 1291.2918417113.

The spelling of 2153144722 in words is "two billion, one hundred fifty-three million, one hundred forty-four thousand, seven hundred twenty-two".