2438722001 has 4 divisors (see below), whose sum is σ = 2444804004. Its totient is φ = 2432640000.

The previous prime is 2438721949. The next prime is 2438722003. The reversal of 2438722001 is 1002278342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2084379025 + 354342976 = 45655^2 + 18824^2 .

It is a cyclic number.

It is not a de Polignac number, because 2438722001 - 2¹⁸ = 2438459857 is a prime.

It is a super-2 number, since 2×2438722001² = 11894729996322888002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2438722003) 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, 3040400 + ... + 3041201.

It is an arithmetic number, because the mean of its divisors is an integer number (611201001).

Almost surely, 2^2438722001 is an apocalyptic number.

It is an amenable number.

2438722001 is a deficient number, since it is larger than the sum of its proper divisors (6082003).

2438722001 is an equidigital number, since it uses as much as digits as its factorization.

2438722001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082002.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2438722001 is about 49383.4182798234. The cubic root of 2438722001 is about 1346.0280142934.

The spelling of 2438722001 in words is "two billion, four hundred thirty-eight million, seven hundred twenty-two thousand, one".