1222223101 has 8 divisors (see below), whose sum is σ = 1335991104. Its totient is φ = 1108897920.

The previous prime is 1222223087. The next prime is 1222223111. The reversal of 1222223101 is 1013222221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222223101 - 2¹⁷ = 1222092029 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 (1222223111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104916 + ... + 115981.

It is an arithmetic number, because the mean of its divisors is an integer number (166998888).

Almost surely, 2^1222223101 is an apocalyptic number.

1222223101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222223101 is a deficient number, since it is larger than the sum of its proper divisors (113768003).

1222223101 is a wasteful number, since it uses less digits than its factorization.

1222223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221411.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1222223101 is about 34960.3075072288. The cubic root of 1222223101 is about 1069.1783662449.

Adding to 1222223101 its reverse (1013222221), we get a palindrome (2235445322).

The spelling of 1222223101 in words is "one billion, two hundred twenty-two million, two hundred twenty-three thousand, one hundred one".