2045210122 has 12 divisors (see below), whose sum is σ = 3237778386. Its totient is φ = 968783400.

The previous prime is 2045210119. The next prime is 2045210137. The reversal of 2045210122 is 2210125402.

It can be written as a sum of positive squares in only one way, i.e., 1975002481 + 70207641 = 44441^2 + 8379^2 .

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2045210122.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1415629 + ... + 1417072.

Almost surely, 2^2045210122 is an apocalyptic number.

2045210122 is a deficient number, since it is larger than the sum of its proper divisors (1192568264).

2045210122 is a wasteful number, since it uses less digits than its factorization.

2045210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832741 (or 2832722 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2045210122 is about 45223.9994029719. Note that the first 3 decimals coincide. The cubic root of 2045210122 is about 1269.3439317091.

Adding to 2045210122 its reverse (2210125402), we get a palindrome (4255335524).

The spelling of 2045210122 in words is "two billion, forty-five million, two hundred ten thousand, one hundred twenty-two".