1022220101 has 16 divisors (see below), whose sum is σ = 1220294400. Its totient is φ = 837744768.

The previous prime is 1022220097. The next prime is 1022220103. The reversal of 1022220101 is 1010222201.

It is a happy number.

It is not a de Polignac number, because 1022220101 - 2² = 1022220097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022220103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3536 + ... + 45353.

It is an arithmetic number, because the mean of its divisors is an integer number (76268400).

Almost surely, 2^1022220101 is an apocalyptic number.

It is an amenable number.

1022220101 is a deficient number, since it is larger than the sum of its proper divisors (198074299).

1022220101 is a wasteful number, since it uses less digits than its factorization.

1022220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49028.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1022220101 is about 31972.1769824953. The cubic root of 1022220101 is about 1007.3525084620.

Adding to 1022220101 its reverse (1010222201), we get a palindrome (2032442302).

The spelling of 1022220101 in words is "one billion, twenty-two million, two hundred twenty thousand, one hundred one".