1022012222 has 96 divisors (see below), whose sum is σ = 2129089536. Its totient is φ = 358237440.

The previous prime is 1022012213. The next prime is 1022012237. The reversal of 1022012222 is 2222102201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1022012197 and 1022012206.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 661583 + ... + 663125.

It is an arithmetic number, because the mean of its divisors is an integer number (22178016).

Almost surely, 2^1022012222 is an apocalyptic number.

1022012222 is an abundant number, since it is smaller than the sum of its proper divisors (1107077314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022012222 is a wasteful number, since it uses less digits than its factorization.

1022012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614 (or 1603 counting only the distinct ones).

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

The square root of 1022012222 is about 31968.9258812366. The cubic root of 1022012222 is about 1007.2842186587.

Adding to 1022012222 its reverse (2222102201), we get a palindrome (3244114423).

The spelling of 1022012222 in words is "one billion, twenty-two million, twelve thousand, two hundred twenty-two".