2622642001 has 4 divisors (see below), whose sum is σ = 2997305152. Its totient is φ = 2247978852.

The previous prime is 2622641993. The next prime is 2622642007. The reversal of 2622642001 is 1002462262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1002462262 = 2 ⋅501231131.

It is not a de Polignac number, because 2622642001 - 2³ = 2622641993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2622642007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187331565 + ... + 187331578.

It is an arithmetic number, because the mean of its divisors is an integer number (749326288).

Almost surely, 2^2622642001 is an apocalyptic number.

It is an amenable number.

2622642001 is a deficient number, since it is larger than the sum of its proper divisors (374663151).

2622642001 is an equidigital number, since it uses as much as digits as its factorization.

2622642001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374663150.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2622642001 is about 51211.7369457432. The cubic root of 2622642001 is about 1379.0489142626.

The spelling of 2622642001 in words is "two billion, six hundred twenty-two million, six hundred forty-two thousand, one".