1210222231 has 8 divisors (see below), whose sum is σ = 1283131584. Its totient is φ = 1137504000.

The previous prime is 1210222217. The next prime is 1210222259. The reversal of 1210222231 is 1322220121.

It is a happy number.

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

It is not a de Polignac number, because 1210222231 - 2⁷ = 1210222103 is a prime.

It is a super-2 number, since 2×1210222231² = 2929275696813234722, 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 (1210222331) 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, 34630 + ... + 60163.

It is an arithmetic number, because the mean of its divisors is an integer number (160391448).

Almost surely, 2^1210222231 is an apocalyptic number.

1210222231 is a deficient number, since it is larger than the sum of its proper divisors (72909353).

1210222231 is an equidigital number, since it uses as much as digits as its factorization.

1210222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95561.

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

The square root of 1210222231 is about 34788.2484612261. The cubic root of 1210222231 is about 1065.6674696466.

Adding to 1210222231 its reverse (1322220121), we get a palindrome (2532442352).

The spelling of 1210222231 in words is "one billion, two hundred ten million, two hundred twenty-two thousand, two hundred thirty-one".