1233222231 has 8 divisors (see below), whose sum is σ = 1684401264. Its totient is φ = 802095680.

The previous prime is 1233222229. The next prime is 1233222239. The reversal of 1233222231 is 1322223321.

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 1233222231 - 2¹ = 1233222229 is a prime.

It is a super-2 number, since 2×1233222231² = 3041674142065234722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1233222198 and 1233222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233222239) 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, 5012976 + ... + 5013221.

It is an arithmetic number, because the mean of its divisors is an integer number (210550158).

Almost surely, 2^1233222231 is an apocalyptic number.

1233222231 is a deficient number, since it is larger than the sum of its proper divisors (451179033).

1233222231 is a wasteful number, since it uses less digits than its factorization.

1233222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026241.

The product of its digits is 864, while the sum is 21.

The square root of 1233222231 is about 35117.2640021970. The cubic root of 1233222231 is about 1072.3760720961.

Adding to 1233222231 its reverse (1322223321), we get a palindrome (2555445552).

The spelling of 1233222231 in words is "one billion, two hundred thirty-three million, two hundred twenty-two thousand, two hundred thirty-one".