1002251222 has 8 divisors (see below), whose sum is σ = 1718144976. Its totient is φ = 429536232.

The previous prime is 1002251221. The next prime is 1002251233. The reversal of 1002251222 is 2221522001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002251222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002251221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35794673 + ... + 35794700.

It is an arithmetic number, because the mean of its divisors is an integer number (214768122).

Almost surely, 2^1002251222 is an apocalyptic number.

1002251222 is a deficient number, since it is larger than the sum of its proper divisors (715893754).

1002251222 is an equidigital number, since it uses as much as digits as its factorization.

1002251222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71589382.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1002251222 is about 31658.3515363640. The cubic root of 1002251222 is about 1000.7498449254.

Adding to 1002251222 its reverse (2221522001), we get a palindrome (3223773223).

The spelling of 1002251222 in words is "one billion, two million, two hundred fifty-one thousand, two hundred twenty-two".