1002022222 has 8 divisors (see below), whose sum is σ = 1518528816. Its totient is φ = 495845952.

The previous prime is 1002022201. The next prime is 1002022223. The reversal of 1002022222 is 2222202001.

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

1002022222 is a modest number, since divided by 22222 gives 10020 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582338 + ... + 2582725.

It is an arithmetic number, because the mean of its divisors is an integer number (189816102).

Almost surely, 2^1002022222 is an apocalyptic number.

1002022222 is a deficient number, since it is larger than the sum of its proper divisors (516506594).

1002022222 is an equidigital number, since it uses as much as digits as its factorization.

1002022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165162.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1002022222 is about 31654.7345905790. The cubic root of 1002022222 is about 1000.6736201340.

Adding to 1002022222 its reverse (2222202001), we get a palindrome (3224224223).

The spelling of 1002022222 in words is "one billion, two million, twenty-two thousand, two hundred twenty-two".