22220011021 has 8 divisors (see below), whose sum is σ = 23933750400. Its totient is φ = 20506915632.

The previous prime is 22220011003. The next prime is 22220011057. The reversal of 22220011021 is 12011002222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22220011021 - 2³³ = 13630076429 is a prime.

It is a super-2 number, since 2×22220011021² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22220010992 and 22220011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88105 + ... + 228478.

It is an arithmetic number, because the mean of its divisors is an integer number (2991718800).

Almost surely, 2^22220011021 is an apocalyptic number.

It is an amenable number.

22220011021 is a deficient number, since it is larger than the sum of its proper divisors (1713739379).

22220011021 is a wasteful number, since it uses less digits than its factorization.

22220011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321995.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22220011021 its reverse (12011002222), we get a palindrome (34231013243).

The spelling of 22220011021 in words is "twenty-two billion, two hundred twenty million, eleven thousand, twenty-one".