1102220231 has 4 divisors (see below), whose sum is σ = 1259680272. Its totient is φ = 944760192.

The previous prime is 1102220137. The next prime is 1102220243. The reversal of 1102220231 is 1320222011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1102220231 - 2¹⁰ = 1102219207 is a prime.

It is a super-2 number, since 2×1102220231² = 2429778875251386722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102220131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78730010 + ... + 78730023.

It is an arithmetic number, because the mean of its divisors is an integer number (314920068).

Almost surely, 2^1102220231 is an apocalyptic number.

1102220231 is a deficient number, since it is larger than the sum of its proper divisors (157460041).

1102220231 is an equidigital number, since it uses as much as digits as its factorization.

1102220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157460040.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1102220231 is about 33199.7022727614. The cubic root of 1102220231 is about 1032.9741639580.

Adding to 1102220231 its reverse (1320222011), we get a palindrome (2422442242).

The spelling of 1102220231 in words is "one billion, one hundred two million, two hundred twenty thousand, two hundred thirty-one".