1022015002 has 8 divisors (see below), whose sum is σ = 1535857812. Its totient is φ = 510062400.

The previous prime is 1022014991. The next prime is 1022015009. The reversal of 1022015002 is 2005102201.

It can be written as a sum of positive squares in 2 ways, for example, as 996096721 + 25918281 = 31561^2 + 5091^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1022015009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471199 + ... + 473362.

Almost surely, 2^1022015002 is an apocalyptic number.

1022015002 is a deficient number, since it is larger than the sum of its proper divisors (513842810).

1022015002 is an equidigital number, since it uses as much as digits as its factorization.

1022015002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945104.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1022015002 is about 31968.9693609287. The cubic root of 1022015002 is about 1007.2851319705.

Adding to 1022015002 its reverse (2005102201), we get a palindrome (3027117203).

The spelling of 1022015002 in words is "one billion, twenty-two million, fifteen thousand, two".