1222022322400 has 72 divisors (see below), whose sum is σ = 3254467653864. Its totient is φ = 444371750400.

The previous prime is 1222022322331. The next prime is 1222022322431. The reversal of 1222022322400 is 42232202221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 69424287 + ... + 69441886.

It is an arithmetic number, because the mean of its divisors is an integer number (45200939637).

Almost surely, 2^{1222022322400} is an apocalyptic number.

1222022322400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222022322400 is an abundant number, since it is smaller than the sum of its proper divisors (2032445331464).

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

1222022322400 is a wasteful number, since it uses less digits than its factorization.

1222022322400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138866204 (or 138866191 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 1222022322400 its reverse (42232202221), we get a palindrome (1264254524621).

The spelling of 1222022322400 in words is "one trillion, two hundred twenty-two billion, twenty-two million, three hundred twenty-two thousand, four hundred".