1022331213 has 10 divisors (see below), whose sum is σ = 1527186254. Its totient is φ = 681554088.

The previous prime is 1022331199. The next prime is 1022331221. The reversal of 1022331213 is 3121332201.

It can be written as a sum of positive squares in only one way, i.e., 600152004 + 422179209 = 24498^2 + 20547^2 .

It is not a de Polignac number, because 1022331213 - 2⁴ = 1022331197 is a prime.

It is a super-2 number, since 2×1022331213² = 2090322218148102738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022331223) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6310606 + ... + 6310767.

Almost surely, 2^1022331213 is an apocalyptic number.

It is an amenable number.

1022331213 is a deficient number, since it is larger than the sum of its proper divisors (504855041).

1022331213 is an equidigital number, since it uses as much as digits as its factorization.

1022331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621385 (or 12621376 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1022331213 is about 31973.9145711000. The cubic root of 1022331213 is about 1007.3890057866.

Adding to 1022331213 its reverse (3121332201), we get a palindrome (4143663414).

The spelling of 1022331213 in words is "one billion, twenty-two million, three hundred thirty-one thousand, two hundred thirteen".