1022221110 has 16 divisors (see below), whose sum is σ = 2453330736. Its totient is φ = 272592288.

The previous prime is 1022221093. The next prime is 1022221121. The reversal of 1022221110 is 111222201.

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, 17036989 + ... + 17037048.

It is an arithmetic number, because the mean of its divisors is an integer number (153333171).

Almost surely, 2^1022221110 is an apocalyptic number.

1022221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022221110 is an abundant number, since it is smaller than the sum of its proper divisors (1431109626).

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

1022221110 is a wasteful number, since it uses less digits than its factorization.

1022221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34074047.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1022221110 is about 31972.1927618360. The cubic root of 1022221110 is about 1007.3528399034.

Adding to 1022221110 its reverse (111222201), we get a palindrome (1133443311).

The spelling of 1022221110 in words is "one billion, twenty-two million, two hundred twenty-one thousand, one hundred ten".