22033420331 has 16 divisors (see below), whose sum is σ = 24768120384. Its totient is φ = 19447849344.

The previous prime is 22033420327. The next prime is 22033420351. The reversal of 22033420331 is 13302433022.

It is a cyclic number.

It is not a de Polignac number, because 22033420331 - 2² = 22033420327 is a prime.

It is a super-2 number, since 2×22033420331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22033420297 and 22033420306.

It is not an unprimeable number, because it can be changed into a prime (22033420351) 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, 1053185 + ... + 1073901.

It is an arithmetic number, because the mean of its divisors is an integer number (1548007524).

Almost surely, 2^22033420331 is an apocalyptic number.

22033420331 is a deficient number, since it is larger than the sum of its proper divisors (2734700053).

22033420331 is a wasteful number, since it uses less digits than its factorization.

22033420331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24310.

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

Adding to 22033420331 its reverse (13302433022), we get a palindrome (35335853353).

The spelling of 22033420331 in words is "twenty-two billion, thirty-three million, four hundred twenty thousand, three hundred thirty-one".