21422303033 has 12 divisors (see below), whose sum is σ = 21616766640. Its totient is φ = 21229028856.

The previous prime is 21422303009. The next prime is 21422303051. The reversal of 21422303033 is 33030322412.

It is not a de Polignac number, because 21422303033 - 2⁸ = 21422302777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21422303233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42930218 + ... + 42930716.

It is an arithmetic number, because the mean of its divisors is an integer number (1801397220).

Almost surely, 2^21422303033 is an apocalyptic number.

It is an amenable number.

21422303033 is a deficient number, since it is larger than the sum of its proper divisors (194463607).

21422303033 is an frugal number, since it uses more digits than its factorization.

21422303033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21422303033 its reverse (33030322412), we get a palindrome (54452625445).

The spelling of 21422303033 in words is "twenty-one billion, four hundred twenty-two million, three hundred three thousand, thirty-three".