1022002312 has 16 divisors (see below), whose sum is σ = 1933836300. Its totient is φ = 506312640.

The previous prime is 1022002301. The next prime is 1022002337. The reversal of 1022002312 is 2132002201.

It can be written as a sum of positive squares in 2 ways, for example, as 940894276 + 81108036 = 30674^2 + 9006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022002292 and 1022002301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585139 + ... + 586882.

Almost surely, 2^1022002312 is an apocalyptic number.

It is an amenable number.

1022002312 is a deficient number, since it is larger than the sum of its proper divisors (911833988).

1022002312 is a wasteful number, since it uses less digits than its factorization.

1022002312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172136 (or 1172132 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1022002312 is about 31968.7708866012. The cubic root of 1022002312 is about 1007.2809629185.

Adding to 1022002312 its reverse (2132002201), we get a palindrome (3154004513).

The spelling of 1022002312 in words is "one billion, twenty-two million, two thousand, three hundred twelve".