22022222021029 has 4 divisors (see below), whose sum is σ = 22022322779340. Its totient is φ = 22022121262720.

The previous prime is 22022222020999. The next prime is 22022222021071. The reversal of 22022222021029 is 92012022222022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11317350472129 + 10704871548900 = 3364127^2 + 3271830^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022222021029 - 2²¹ = 22022219923877 is a prime.

It is a super-2 number, since 2×22022222021029² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022222020988 and 22022222021006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022222021099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50050594 + ... + 50488675.

It is an arithmetic number, because the mean of its divisors is an integer number (5505580694835).

Almost surely, 2^{22022222021029} is an apocalyptic number.

It is an amenable number.

22022222021029 is a deficient number, since it is larger than the sum of its proper divisors (100758311).

22022222021029 is a wasteful number, since it uses less digits than its factorization.

22022222021029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100758310.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 22022222021029 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-two million, twenty-one thousand, twenty-nine".