1022221102 has 16 divisors (see below), whose sum is σ = 1795120992. Its totient is φ = 427409280.

The previous prime is 1022221093. The next prime is 1022221121. The reversal of 1022221102 is 2011222201.

It is a happy number.

It is a congruent number.

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, 889863 + ... + 891010.

It is an arithmetic number, because the mean of its divisors is an integer number (112195062).

Almost surely, 2^1022221102 is an apocalyptic number.

1022221102 is a deficient number, since it is larger than the sum of its proper divisors (772899890).

1022221102 is a wasteful number, since it uses less digits than its factorization.

1022221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780923.

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

The square root of 1022221102 is about 31972.1926367273. The cubic root of 1022221102 is about 1007.3528372755.

Adding to 1022221102 its reverse (2011222201), we get a palindrome (3033443303).

The spelling of 1022221102 in words is "one billion, twenty-two million, two hundred twenty-one thousand, one hundred two".