22522666043221 has 16 divisors (see below), whose sum is σ = 23801178024000. Its totient is φ = 21253470916608.

The previous prime is 22522666043113. The next prime is 22522666043233. The reversal of 22522666043221 is 12234066622522.

It is a cyclic number.

It is not a de Polignac number, because 22522666043221 - 2²⁵ = 22522632488789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522666043281) 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, 171322711 + ... + 171454123.

It is an arithmetic number, because the mean of its divisors is an integer number (1487573626500).

Almost surely, 2^{22522666043221} is an apocalyptic number.

It is an amenable number.

22522666043221 is a deficient number, since it is larger than the sum of its proper divisors (1278511980779).

22522666043221 is a wasteful number, since it uses less digits than its factorization.

22522666043221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166788.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 22522666043221 in words is "twenty-two trillion, five hundred twenty-two billion, six hundred sixty-six million, forty-three thousand, two hundred twenty-one".