21223232035 has 8 divisors (see below), whose sum is σ = 25469634096. Its totient is φ = 16977415200.

The previous prime is 21223232033. The next prime is 21223232071. The reversal of 21223232035 is 53023232212.

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

It is not a de Polignac number, because 21223232035 - 2¹ = 21223232033 is a prime.

It is a super-2 number, since 2×21223232035² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21223232033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62116 + ... + 215185.

It is an arithmetic number, because the mean of its divisors is an integer number (3183704262).

Almost surely, 2^21223232035 is an apocalyptic number.

21223232035 is a deficient number, since it is larger than the sum of its proper divisors (4246402061).

21223232035 is a wasteful number, since it uses less digits than its factorization.

21223232035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292613.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 21223232035 its reverse (53023232212), we get a palindrome (74246464247).

The spelling of 21223232035 in words is "twenty-one billion, two hundred twenty-three million, two hundred thirty-two thousand, thirty-five".