1222002001222 has 8 divisors (see below), whose sum is σ = 1833153247656. Its totient is φ = 610950918672.

The previous prime is 1222002001177. The next prime is 1222002001229. The reversal of 1222002001222 is 2221002002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1222002001196 and 1222002001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222002001229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25010463 + ... + 25059274.

It is an arithmetic number, because the mean of its divisors is an integer number (229144155957).

Almost surely, 2^{1222002001222} is an apocalyptic number.

1222002001222 is a deficient number, since it is larger than the sum of its proper divisors (611151246434).

1222002001222 is a wasteful number, since it uses less digits than its factorization.

1222002001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50081942.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1222002001222 its reverse (2221002002221), we get a palindrome (3443004003443).

Subtracting 1222002001222 from its reverse (2221002002221), we obtain a palindrome (999000000999).

The spelling of 1222002001222 in words is "one trillion, two hundred twenty-two billion, two million, one thousand, two hundred twenty-two".