1021222002 has 16 divisors (see below), whose sum is σ = 2049715872. Its totient is φ = 339195360.

The previous prime is 1021222001. The next prime is 1021222021. The reversal of 1021222002 is 2002221201.

It is not an unprimeable number, because it can be changed into a prime (1021222001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301168 + ... + 304539.

It is an arithmetic number, because the mean of its divisors is an integer number (128107242).

Almost surely, 2^1021222002 is an apocalyptic number.

1021222002 is an abundant number, since it is smaller than the sum of its proper divisors (1028493870).

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

1021222002 is a wasteful number, since it uses less digits than its factorization.

1021222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605993.

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

The square root of 1021222002 is about 31956.5643021899. The cubic root of 1021222002 is about 1007.0245409510.

Adding to 1021222002 its reverse (2002221201), we get a palindrome (3023443203).

The spelling of 1021222002 in words is "one billion, twenty-one million, two hundred twenty-two thousand, two".