1122441221 has 8 divisors (see below), whose sum is σ = 1226981088. Its totient is φ = 1018318000.

The previous prime is 1122441163. The next prime is 1122441233. The reversal of 1122441221 is 1221442211.

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 1122441221 - 2¹⁴ = 1122424837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122441193 and 1122441202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122441251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98510 + ... + 109311.

It is an arithmetic number, because the mean of its divisors is an integer number (153372636).

Almost surely, 2^1122441221 is an apocalyptic number.

1122441221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122441221 is a deficient number, since it is larger than the sum of its proper divisors (104539867).

1122441221 is a wasteful number, since it uses less digits than its factorization.

1122441221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208323.

The product of its digits is 256, while the sum is 20.

The square root of 1122441221 is about 33502.8539232108. The cubic root of 1122441221 is about 1039.2527981657.

Adding to 1122441221 its reverse (1221442211), we get a palindrome (2343883432).

The spelling of 1122441221 in words is "one billion, one hundred twenty-two million, four hundred forty-one thousand, two hundred twenty-one".