1002231402502 has 16 divisors (see below), whose sum is σ = 1692918733824. Its totient is φ = 440864253000.

The previous prime is 1002231402479. The next prime is 1002231402517. The reversal of 1002231402502 is 2052041322001.

It is a happy number.

It is a super-2 number, since 2×1002231402502² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 734773074 + ... + 734774437.

It is an arithmetic number, because the mean of its divisors is an integer number (105807420864).

Almost surely, 2^{1002231402502} is an apocalyptic number.

1002231402502 is a deficient number, since it is larger than the sum of its proper divisors (690687331322).

1002231402502 is a wasteful number, since it uses less digits than its factorization.

1002231402502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469547555.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 1002231402502 its reverse (2052041322001), we get a palindrome (3054272724503).

The spelling of 1002231402502 in words is "one trillion, two billion, two hundred thirty-one million, four hundred two thousand, five hundred two".