36223421421 has 16 divisors (see below), whose sum is σ = 52733058048. Its totient is φ = 21935070000.

The previous prime is 36223421389. The next prime is 36223421459. The reversal of 36223421421 is 12412432263.

It is not a de Polignac number, because 36223421421 - 2⁵ = 36223421389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36223421461) 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, 423205 + ... + 501546.

It is an arithmetic number, because the mean of its divisors is an integer number (3295816128).

Almost surely, 2^36223421421 is an apocalyptic number.

It is an amenable number.

36223421421 is a deficient number, since it is larger than the sum of its proper divisors (16509636627).

36223421421 is a wasteful number, since it uses less digits than its factorization.

36223421421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925952.

The product of its digits is 13824, while the sum is 30.

Adding to 36223421421 its reverse (12412432263), we get a palindrome (48635853684).

The spelling of 36223421421 in words is "thirty-six billion, two hundred twenty-three million, four hundred twenty-one thousand, four hundred twenty-one".