2155223322002 has 8 divisors (see below), whose sum is σ = 3247332001536. Its totient is φ = 1072779321492.

The previous prime is 2155223321989. The next prime is 2155223322059. The reversal of 2155223322002 is 2002233225512.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416169198 + ... + 2416170089.

It is an arithmetic number, because the mean of its divisors is an integer number (405916500192).

Almost surely, 2^{2155223322002} is an apocalyptic number.

2155223322002 is a deficient number, since it is larger than the sum of its proper divisors (1092108679534).

2155223322002 is a wasteful number, since it uses less digits than its factorization.

2155223322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832339512.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 2155223322002 its reverse (2002233225512), we get a palindrome (4157456547514).

The spelling of 2155223322002 in words is "two trillion, one hundred fifty-five billion, two hundred twenty-three million, three hundred twenty-two thousand, two".