2201231122 has 4 divisors (see below), whose sum is σ = 3301846686. Its totient is φ = 1100615560.

The previous prime is 2201231029. The next prime is 2201231141. The reversal of 2201231122 is 2211321022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2211321022 = 2 ⋅1105660511.

It can be written as a sum of positive squares in only one way, i.e., 2061069201 + 140161921 = 45399^2 + 11839^2 .

It is a super-2 number, since 2×2201231122² = 9690836904922757768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2201231096 and 2201231105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550307779 + ... + 550307782.

Almost surely, 2^2201231122 is an apocalyptic number.

2201231122 is a deficient number, since it is larger than the sum of its proper divisors (1100615564).

2201231122 is a wasteful number, since it uses less digits than its factorization.

2201231122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100615563.

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

The square root of 2201231122 is about 46917.2795673406. The cubic root of 2201231122 is about 1300.8340056636.

Adding to 2201231122 its reverse (2211321022), we get a palindrome (4412552144).

The spelling of 2201231122 in words is "two billion, two hundred one million, two hundred thirty-one thousand, one hundred twenty-two".