421722112033 has 8 divisors (see below), whose sum is σ = 426666868200. Its totient is φ = 416781940608.

The previous prime is 421722112001. The next prime is 421722112039. The reversal of 421722112033 is 330211227124.

It can be written as a sum of positive squares in 4 ways, for example, as 33434853904 + 388287258129 = 182852^2 + 623127^2 .

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 421722112033 - 2⁵ = 421722112001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421722111992 and 421722112010.

It is not an unprimeable number, because it can be changed into a prime (421722112039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960966 + ... + 1329247.

It is an arithmetic number, because the mean of its divisors is an integer number (53333358525).

Almost surely, 2^421722112033 is an apocalyptic number.

It is an amenable number.

421722112033 is a deficient number, since it is larger than the sum of its proper divisors (4944756167).

421722112033 is a wasteful number, since it uses less digits than its factorization.

421722112033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2292371.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 421722112033 its reverse (330211227124), we get a palindrome (751933339157).

The spelling of 421722112033 in words is "four hundred twenty-one billion, seven hundred twenty-two million, one hundred twelve thousand, thirty-three".