1220410231 has 2 divisors, whose sum is σ = 1220410232. Its totient is φ = 1220410230.

The previous prime is 1220410211. The next prime is 1220410271. The reversal of 1220410231 is 1320140221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220410231 is a prime.

It is a super-2 number, since 2×1220410231² = 2978802263858946722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220410211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610205115 + 610205116.

It is an arithmetic number, because the mean of its divisors is an integer number (610205116).

Almost surely, 2^1220410231 is an apocalyptic number.

1220410231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220410231 is an equidigital number, since it uses as much as digits as its factorization.

1220410231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1220410231 is about 34934.3703392519. The cubic root of 1220410231 is about 1068.6494828530.

Adding to 1220410231 its reverse (1320140221), we get a palindrome (2540550452).

The spelling of 1220410231 in words is "one billion, two hundred twenty million, four hundred ten thousand, two hundred thirty-one".