22222214021 has 16 divisors (see below), whose sum is σ = 26132243328. Its totient is φ = 18503160000.

The previous prime is 22222214011. The next prime is 22222214033. The reversal of 22222214021 is 12041222222.

It is a cyclic number.

It is not a de Polignac number, because 22222214021 - 2¹⁰ = 22222212997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22222213984 and 22222214002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222214011) 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, 259055 + ... + 333996.

It is an arithmetic number, because the mean of its divisors is an integer number (1633265208).

Almost surely, 2^22222214021 is an apocalyptic number.

It is an amenable number.

22222214021 is a deficient number, since it is larger than the sum of its proper divisors (3910029307).

22222214021 is a wasteful number, since it uses less digits than its factorization.

22222214021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593212.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22222214021 its reverse (12041222222), we get a palindrome (34263436243).

The spelling of 22222214021 in words is "twenty-two billion, two hundred twenty-two million, two hundred fourteen thousand, twenty-one".