2255720154 has 8 divisors (see below), whose sum is σ = 4511440320. Its totient is φ = 751906716.

The previous prime is 2255720153. The next prime is 2255720167. The reversal of 2255720154 is 4510275522.

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

2255720154 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2255720153) by changing a digit.

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, 187976674 + ... + 187976685.

It is an arithmetic number, because the mean of its divisors is an integer number (563930040).

Almost surely, 2^2255720154 is an apocalyptic number.

2255720154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2255720154 is a wasteful number, since it uses less digits than its factorization.

2255720154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375953364.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 2255720154 is about 47494.4223462082. The cubic root of 2255720154 is about 1311.4802051354.

Adding to 2255720154 its reverse (4510275522), we get a palindrome (6765995676).

The spelling of 2255720154 in words is "two billion, two hundred fifty-five million, seven hundred twenty thousand, one hundred fifty-four".