1222212212022 has 32 divisors (see below), whose sum is σ = 2491453404000. Its totient is φ = 399571511040.

The previous prime is 1222212211951. The next prime is 1222212212041. The reversal of 1222212212022 is 2202122122221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222212212022.

It is a congruent 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, 175122 + ... + 1573242.

It is an arithmetic number, because the mean of its divisors is an integer number (77857918875).

Almost surely, 2^{1222212212022} is an apocalyptic number.

1222212212022 is an abundant number, since it is smaller than the sum of its proper divisors (1269241191978).

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

1222212212022 is a wasteful number, since it uses less digits than its factorization.

1222212212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400928.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1222212212022 its reverse (2202122122221), we get a palindrome (3424334334243).

The spelling of 1222212212022 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twelve thousand, twenty-two".