21233003022 has 96 divisors (see below), whose sum is σ = 59334612480. Its totient is φ = 5324880960.

The previous prime is 21233003021. The next prime is 21233003023. The reversal of 21233003022 is 22030033212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21233003021) and next prime (21233003023).

It is a super-2 number, since 2×21233003022² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21233002986 and 21233003004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233003021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223938 + ... + 304325.

It is an arithmetic number, because the mean of its divisors is an integer number (618068880).

Almost surely, 2^21233003022 is an apocalyptic number.

21233003022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21233003022 is an abundant number, since it is smaller than the sum of its proper divisors (38101609458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21233003022 is a wasteful number, since it uses less digits than its factorization.

21233003022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528318 (or 528315 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 21233003022 its reverse (22030033212), we get a palindrome (43263036234).

The spelling of 21233003022 in words is "twenty-one billion, two hundred thirty-three million, three thousand, twenty-two".