2002622045 has 4 divisors (see below), whose sum is σ = 2403146460. Its totient is φ = 1602097632.

The previous prime is 2002622033. The next prime is 2002622051. The reversal of 2002622045 is 5402262002.

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 1043419204 + 959202841 = 32302^2 + 30971^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002622045 - 2¹⁰ = 2002621021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002622045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200262200 + ... + 200262209.

It is an arithmetic number, because the mean of its divisors is an integer number (600786615).

Almost surely, 2^2002622045 is an apocalyptic number.

It is an amenable number.

2002622045 is a deficient number, since it is larger than the sum of its proper divisors (400524415).

2002622045 is an equidigital number, since it uses as much as digits as its factorization.

2002622045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400524414.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2002622045 is about 44750.6653023170. The cubic root of 2002622045 is about 1260.4714044041.

Adding to 2002622045 its reverse (5402262002), we get a palindrome (7404884047).

The spelling of 2002622045 in words is "two billion, two million, six hundred twenty-two thousand, forty-five".