1020222212 has 6 divisors (see below), whose sum is σ = 1785388878. Its totient is φ = 510111104.

The previous prime is 1020222211. The next prime is 1020222227. The reversal of 1020222212 is 2122220201.

It can be written as a sum of positive squares in only one way, i.e., 982571716 + 37650496 = 31346^2 + 6136^2 .

It is not an unprimeable number, because it can be changed into a prime (1020222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127527773 + ... + 127527780.

It is an arithmetic number, because the mean of its divisors is an integer number (297564813).

Almost surely, 2^1020222212 is an apocalyptic number.

It is an amenable number.

1020222212 is a deficient number, since it is larger than the sum of its proper divisors (765166666).

1020222212 is a wasteful number, since it uses less digits than its factorization.

1020222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255055557 (or 255055555 counting only the distinct ones).

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

The square root of 1020222212 is about 31940.9175196956. The cubic root of 1020222212 is about 1006.6958034830.

Adding to 1020222212 its reverse (2122220201), we get a palindrome (3142442413).

The spelling of 1020222212 in words is "one billion, twenty million, two hundred twenty-two thousand, two hundred twelve".