1002212222 has 16 divisors (see below), whose sum is σ = 1640613744. Its totient is φ = 455376000.

The previous prime is 1002212219. The next prime is 1002212251. The reversal of 1002212222 is 2222122001.

It is a junction number, because it is equal to n+sod(n) for n = 1002212197 and 1002212206.

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, 62822 + ... + 77142.

It is an arithmetic number, because the mean of its divisors is an integer number (102538359).

Almost surely, 2^1002212222 is an apocalyptic number.

1002212222 is a deficient number, since it is larger than the sum of its proper divisors (638401522).

1002212222 is a wasteful number, since it uses less digits than its factorization.

1002212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515.

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

The square root of 1002212222 is about 31657.7355791598. The cubic root of 1002212222 is about 1000.7368642311.

Adding to 1002212222 its reverse (2222122001), we get a palindrome (3224334223).

The spelling of 1002212222 in words is "one billion, two million, two hundred twelve thousand, two hundred twenty-two".