2221202222210 has 32 divisors (see below), whose sum is σ = 4049188816752. Its totient is φ = 877191884800.

The previous prime is 2221202222177. The next prime is 2221202222243. The reversal of 2221202222210 is 122222021222.

It is an interprime number because it is at equal distance from previous prime (2221202222177) and next prime (2221202222243).

It can be written as a sum of positive squares in 8 ways, for example, as 1469615524729 + 751586697481 = 1212277^2 + 866941^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2758499 + ... + 3471558.

Almost surely, 2^{2221202222210} is an apocalyptic number.

2221202222210 is a deficient number, since it is larger than the sum of its proper divisors (1827986594542).

2221202222210 is a wasteful number, since it uses less digits than its factorization.

2221202222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230518.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2221202222210 its reverse (122222021222), we get a palindrome (2343424243432).

The spelling of 2221202222210 in words is "two trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, two hundred ten".