2045001422 has 8 divisors (see below), whose sum is σ = 3067820136. Its totient is φ = 1022394712.

The previous prime is 2045001421. The next prime is 2045001457. The reversal of 2045001422 is 2241005402.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2045001394 and 2045001403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045001421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26168 + ... + 69099.

It is an arithmetic number, because the mean of its divisors is an integer number (383477517).

Almost surely, 2^2045001422 is an apocalyptic number.

2045001422 is a deficient number, since it is larger than the sum of its proper divisors (1022818714).

2045001422 is a wasteful number, since it uses less digits than its factorization.

2045001422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106002.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2045001422 is about 45221.6919409259. The cubic root of 2045001422 is about 1269.3007542238.

Adding to 2045001422 its reverse (2241005402), we get a palindrome (4286006824).

The spelling of 2045001422 in words is "two billion, forty-five million, one thousand, four hundred twenty-two".