1020012222 has 16 divisors (see below), whose sum is σ = 2041079040. Its totient is φ = 339828312.

The previous prime is 1020012187. The next prime is 1020012269. The reversal of 1020012222 is 2222100201.

It is a junction number, because it is equal to n+sod(n) for n = 1020012198 and 1020012207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31078 + ... + 54825.

It is an arithmetic number, because the mean of its divisors is an integer number (127567440).

Almost surely, 2^1020012222 is an apocalyptic number.

1020012222 is an abundant number, since it is smaller than the sum of its proper divisors (1021066818).

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

1020012222 is a wasteful number, since it uses less digits than its factorization.

1020012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87887.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1020012222 is about 31937.6301876016. The cubic root of 1020012222 is about 1006.6267301136.

Adding to 1020012222 its reverse (2222100201), we get a palindrome (3242112423).

It can be divided in two parts, 10200 and 12222, that added together give a palindrome (22422).

The spelling of 1020012222 in words is "one billion, twenty million, twelve thousand, two hundred twenty-two".