222122323232021 has 16 divisors (see below), whose sum is σ = 241358878310400. Its totient is φ = 203640558634800.

The previous prime is 222122323232011. The next prime is 222122323232077. The reversal of 222122323232021 is 120232323221222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222122323232021 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 (222122323232011) 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, 37776860 + ... + 43258938.

It is an arithmetic number, because the mean of its divisors is an integer number (15084929894400).

Almost surely, 2^{222122323232021} is an apocalyptic number.

It is an amenable number.

222122323232021 is a deficient number, since it is larger than the sum of its proper divisors (19236555078379).

222122323232021 is a wasteful number, since it uses less digits than its factorization.

222122323232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550920.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 222122323232021 its reverse (120232323221222), we get a palindrome (342354646453243).

The spelling of 222122323232021 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, three hundred twenty-three million, two hundred thirty-two thousand, twenty-one".