1002122222 has 16 divisors (see below), whose sum is σ = 1600815312. Its totient is φ = 468858240.

The previous prime is 1002122179. The next prime is 1002122243. The reversal of 1002122222 is 2222212001.

It is a junction number, because it is equal to n+sod(n) for n = 1002122197 and 1002122206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79304 + ... + 91067.

It is an arithmetic number, because the mean of its divisors is an integer number (100050957).

Almost surely, 2^1002122222 is an apocalyptic number.

1002122222 is a deficient number, since it is larger than the sum of its proper divisors (598693090).

1002122222 is a wasteful number, since it uses less digits than its factorization.

1002122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170563.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1002122222 is about 31656.3140937160. The cubic root of 1002122222 is about 1000.7069074974.

Adding to 1002122222 its reverse (2222212001), we get a palindrome (3224334223).

The spelling of 1002122222 in words is "one billion, two million, one hundred twenty-two thousand, two hundred twenty-two".