2221001222210 has 32 divisors (see below), whose sum is σ = 4046429580480. Its totient is φ = 877596844608.

The previous prime is 2221001222207. The next prime is 2221001222243. The reversal of 2221001222210 is 122221001222.

It is a happy number.

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, 7357736 + ... + 7653644.

It is an arithmetic number, because the mean of its divisors is an integer number (126450924390).

Almost surely, 2^{2221001222210} is an apocalyptic number.

2221001222210 is a deficient number, since it is larger than the sum of its proper divisors (1825428358270).

2221001222210 is a wasteful number, since it uses less digits than its factorization.

2221001222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305042.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2221001222210 its reverse (122221001222), we get a palindrome (2343222223432).

The spelling of 2221001222210 in words is "two trillion, two hundred twenty-one billion, one million, two hundred twenty-two thousand, two hundred ten".