1020131222 has 16 divisors (see below), whose sum is σ = 1677961872. Its totient is φ = 461291520.

The previous prime is 1020131051. The next prime is 1020131251. The reversal of 1020131222 is 2221310201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020131197 and 1020131206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115883 + ... + 124374.

It is an arithmetic number, because the mean of its divisors is an integer number (104872617).

Almost surely, 2^1020131222 is an apocalyptic number.

1020131222 is a deficient number, since it is larger than the sum of its proper divisors (657830650).

1020131222 is a wasteful number, since it uses less digits than its factorization.

1020131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240463.

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

The square root of 1020131222 is about 31939.4931393721. The cubic root of 1020131222 is about 1006.6658747173.

Adding to 1020131222 its reverse (2221310201), we get a palindrome (3241441423).

The spelling of 1020131222 in words is "one billion, twenty million, one hundred thirty-one thousand, two hundred twenty-two".