2426722221 has 16 divisors (see below), whose sum is σ = 4034032128. Its totient is φ = 1260634800.

The previous prime is 2426722213. The next prime is 2426722241. The reversal of 2426722221 is 1222276242.

2426722221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2426722221 - 2³ = 2426722213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2426722241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5252415 + ... + 5252876.

It is an arithmetic number, because the mean of its divisors is an integer number (252127008).

Almost surely, 2^2426722221 is an apocalyptic number.

2426722221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2426722221 is a deficient number, since it is larger than the sum of its proper divisors (1607309907).

2426722221 is a wasteful number, since it uses less digits than its factorization.

2426722221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505312.

The product of its digits is 10752, while the sum is 30.

The square root of 2426722221 is about 49261.7724102574. The cubic root of 2426722221 is about 1343.8166641353.

Adding to 2426722221 its reverse (1222276242), we get a palindrome (3648998463).

The spelling of 2426722221 in words is "two billion, four hundred twenty-six million, seven hundred twenty-two thousand, two hundred twenty-one".