1022221135 has 16 divisors (see below), whose sum is σ = 1398733056. Its totient is φ = 710466048.

The previous prime is 1022221127. The next prime is 1022221139. The reversal of 1022221135 is 5311222201.

It is a cyclic number.

It is not a de Polignac number, because 1022221135 - 2³ = 1022221127 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 (1022221139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461439 + ... + 463648.

It is an arithmetic number, because the mean of its divisors is an integer number (87420816).

Almost surely, 2^1022221135 is an apocalyptic number.

1022221135 is a deficient number, since it is larger than the sum of its proper divisors (376511921).

1022221135 is a wasteful number, since it uses less digits than its factorization.

1022221135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925122.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1022221135 is about 31972.1931528008. The cubic root of 1022221135 is about 1007.3528481155.

Adding to 1022221135 its reverse (5311222201), we get a palindrome (6333443336).

The spelling of 1022221135 in words is "one billion, twenty-two million, two hundred twenty-one thousand, one hundred thirty-five".