22001221202094 has 32 divisors (see below), whose sum is σ = 49050858743040. Its totient is φ = 7309851989976.

The previous prime is 22001221202053. The next prime is 22001221202099. The reversal of 22001221202094 is 49020212210022.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001221202099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663550234 + ... + 663583389.

It is an arithmetic number, because the mean of its divisors is an integer number (1532839335720).

Almost surely, 2^{22001221202094} is an apocalyptic number.

22001221202094 is an abundant number, since it is smaller than the sum of its proper divisors (27049637540946).

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

22001221202094 is a wasteful number, since it uses less digits than its factorization.

22001221202094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327133941 (or 1327133935 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 22001221202094 in words is "twenty-two trillion, one billion, two hundred twenty-one million, two hundred two thousand, ninety-four".