2045202122 has 24 divisors (see below), whose sum is σ = 3180082500. Its totient is φ = 986454720.

The previous prime is 2045202101. The next prime is 2045202143. The reversal of 2045202122 is 2212025402.

It is an interprime number because it is at equal distance from previous prime (2045202101) and next prime (2045202143).

It can be written as a sum of positive squares in 2 ways, for example, as 2023290361 + 21911761 = 44981^2 + 4681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2045202094 and 2045202103.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 669254 + ... + 672302.

Almost surely, 2^2045202122 is an apocalyptic number.

2045202122 is a deficient number, since it is larger than the sum of its proper divisors (1134880378).

2045202122 is a wasteful number, since it uses less digits than its factorization.

2045202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3462 (or 3431 counting only the distinct ones).

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

The square root of 2045202122 is about 45223.9109542729. The cubic root of 2045202122 is about 1269.3422766608.

Adding to 2045202122 its reverse (2212025402), we get a palindrome (4257227524).

The spelling of 2045202122 in words is "two billion, forty-five million, two hundred two thousand, one hundred twenty-two".