2221502022 has 24 divisors (see below), whose sum is σ = 4979229840. Its totient is φ = 714966000.

The previous prime is 2221502011. The next prime is 2221502027. The reversal of 2221502022 is 2202051222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2221501986 and 2221502004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221502027) 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, 2127354 + ... + 2128397.

It is an arithmetic number, because the mean of its divisors is an integer number (207467910).

Almost surely, 2^2221502022 is an apocalyptic number.

2221502022 is an abundant number, since it is smaller than the sum of its proper divisors (2757727818).

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

2221502022 is a wasteful number, since it uses less digits than its factorization.

2221502022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255788 (or 4255785 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2221502022 is about 47132.8125831676. The cubic root of 2221502022 is about 1304.8148907301.

Adding to 2221502022 its reverse (2202051222), we get a palindrome (4423553244).

The spelling of 2221502022 in words is "two billion, two hundred twenty-one million, five hundred two thousand, twenty-two".