1022122222 has 32 divisors (see below), whose sum is σ = 1717041888. Its totient is φ = 452400000.

The previous prime is 1022122217. The next prime is 1022122243. The reversal of 1022122222 is 2222212201.

It is a junction number, because it is equal to n+sod(n) for n = 1022122196 and 1022122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131772 + ... + 139312.

It is an arithmetic number, because the mean of its divisors is an integer number (53657559).

Almost surely, 2^1022122222 is an apocalyptic number.

1022122222 is a deficient number, since it is larger than the sum of its proper divisors (694919666).

1022122222 is a wasteful number, since it uses less digits than its factorization.

1022122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7716.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1022122222 is about 31970.6462555889. The cubic root of 1022122222 is about 1007.3203556333.

Adding to 1022122222 its reverse (2222212201), we get a palindrome (3244334423).

The spelling of 1022122222 in words is "one billion, twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".