2221313022 has 12 divisors (see below), whose sum is σ = 4812844920. Its totient is φ = 740437668.

The previous prime is 2221312993. The next prime is 2221313027. The reversal of 2221313022 is 2203131222.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 123406279 = 2221313022 / (2 + 2 + 2 + 1 + 3 + 1 + 3 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2221312986 and 2221313004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221313027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61703122 + ... + 61703157.

It is an arithmetic number, because the mean of its divisors is an integer number (401070410).

Almost surely, 2^2221313022 is an apocalyptic number.

2221313022 is an abundant number, since it is smaller than the sum of its proper divisors (2591531898).

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

2221313022 is a wasteful number, since it uses less digits than its factorization.

2221313022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123406287 (or 123406284 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2221313022 is about 47130.8075678743. The cubic root of 2221313022 is about 1304.7778861861. Note that the first 3 decimals are identical.

Adding to 2221313022 its reverse (2203131222), we get a palindrome (4424444244).

The spelling of 2221313022 in words is "two billion, two hundred twenty-one million, three hundred thirteen thousand, twenty-two".