222230010000021 has 16 divisors (see below), whose sum is σ = 327377201433984. Its totient is φ = 133375896879104.

The previous prime is 222230009999971. The next prime is 222230010000023. The reversal of 222230010000021 is 120000010032222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 222230010000021 - 2³³ = 222221420065429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222230010000023) 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, 94727198316 + ... + 94727200661.

It is an arithmetic number, because the mean of its divisors is an integer number (20461075089624).

Almost surely, 2^{222230010000021} is an apocalyptic number.

It is an amenable number.

222230010000021 is a deficient number, since it is larger than the sum of its proper divisors (105147191433963).

222230010000021 is a wasteful number, since it uses less digits than its factorization.

222230010000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189454399020.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 222230010000021 its reverse (120000010032222), we get a palindrome (342230020032243).

The spelling of 222230010000021 in words is "two hundred twenty-two trillion, two hundred thirty billion, ten million, twenty-one", and thus it is an aban number.