1020231222 has 24 divisors (see below), whose sum is σ = 2074506408. Its totient is φ = 334494720.

The previous prime is 1020231221. The next prime is 1020231257. The reversal of 1020231222 is 2221320201.

It is a happy number.

It is a super-2 number, since 2×1020231222² = 2081743492687226568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020231221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523 + ... + 45174.

It is an arithmetic number, because the mean of its divisors is an integer number (86437767).

Almost surely, 2^1020231222 is an apocalyptic number.

1020231222 is an abundant number, since it is smaller than the sum of its proper divisors (1054275186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020231222 is an equidigital number, since it uses as much as digits as its factorization.

1020231222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45824 (or 45763 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020231222 is about 31941.0585610433. The cubic root of 1020231222 is about 1006.6987669885.

Adding to 1020231222 its reverse (2221320201), we get a palindrome (3241551423).

The spelling of 1020231222 in words is "one billion, twenty million, two hundred thirty-one thousand, two hundred twenty-two".