1222220210022 has 32 divisors (see below), whose sum is σ = 3104051328000. Its totient is φ = 349205774184.

The previous prime is 1222220209999. The next prime is 1222220210023. The reversal of 1222220210022 is 2200120222221.

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 = 1222220209977 and 1222220210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222220210023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1616693022 + ... + 1616693777.

It is an arithmetic number, because the mean of its divisors is an integer number (97001604000).

Almost surely, 2^{1222220210022} is an apocalyptic number.

1222220210022 is an abundant number, since it is smaller than the sum of its proper divisors (1881831117978).

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

1222220210022 is a wasteful number, since it uses less digits than its factorization.

1222220210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233386817 (or 3233386811 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1222220210022 its reverse (2200120222221), we get a palindrome (3422340432243).

The spelling of 1222220210022 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two hundred ten thousand, twenty-two".