1222130031 has 4 divisors (see below), whose sum is σ = 1629506712. Its totient is φ = 814753352.

The previous prime is 1222130003. The next prime is 1222130033. The reversal of 1222130031 is 1300312221.

1222130031 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1222130031 - 2⁵ = 1222129999 is a prime.

It is a super-2 number, since 2×1222130031² = 2987203625344121922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222130033) 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, 203688336 + ... + 203688341.

It is an arithmetic number, because the mean of its divisors is an integer number (407376678).

Almost surely, 2^1222130031 is an apocalyptic number.

1222130031 is a deficient number, since it is larger than the sum of its proper divisors (407376681).

1222130031 is an equidigital number, since it uses as much as digits as its factorization.

1222130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407376680.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1222130031 is about 34958.9764009188. The cubic root of 1222130031 is about 1069.1512269127.

Adding to 1222130031 its reverse (1300312221), we get a palindrome (2522442252).

The spelling of 1222130031 in words is "one billion, two hundred twenty-two million, one hundred thirty thousand, thirty-one".