2221331022 has 12 divisors (see below), whose sum is σ = 4812883920. Its totient is φ = 740443668.

The previous prime is 2221330999. The next prime is 2221331029. The reversal of 2221331022 is 2201331222.

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: 123407279 = 2221331022 / (2 + 2 + 2 + 1 + 3 + 3 + 1 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2221330986 and 2221331004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221331029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61703622 + ... + 61703657.

It is an arithmetic number, because the mean of its divisors is an integer number (401073660).

Almost surely, 2^2221331022 is an apocalyptic number.

2221331022 is an abundant number, since it is smaller than the sum of its proper divisors (2591552898).

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

2221331022 is a wasteful number, since it uses less digits than its factorization.

2221331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123407287 (or 123407284 counting only the distinct ones).

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

The square root of 2221331022 is about 47130.9985253867. The cubic root of 2221331022 is about 1304.7814105188.

Adding to 2221331022 its reverse (2201331222), we get a palindrome (4422662244).

It can be divided in two parts, 22213 and 31022, that added together give a palindrome (53235).

The spelling of 2221331022 in words is "two billion, two hundred twenty-one million, three hundred thirty-one thousand, twenty-two".