1020222112 has 48 divisors (see below), whose sum is σ = 2472083712. Its totient is φ = 403603200.

The previous prime is 1020222097. The next prime is 1020222143. The reversal of 1020222112 is 2112220201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1020222092 and 1020222101.

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, 172264 + ... + 178087.

It is an arithmetic number, because the mean of its divisors is an integer number (51501744).

Almost surely, 2^1020222112 is an apocalyptic number.

It is an amenable number.

1020222112 is an abundant number, since it is smaller than the sum of its proper divisors (1451861600).

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

1020222112 is a wasteful number, since it uses less digits than its factorization.

1020222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350381 (or 350373 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1020222112 is about 31940.9159543054. The cubic root of 1020222112 is about 1006.6957705916.

Adding to 1020222112 its reverse (2112220201), we get a palindrome (3132442313).

The spelling of 1020222112 in words is "one billion, twenty million, two hundred twenty-two thousand, one hundred twelve".