22323001440 has 96 divisors (see below), whose sum is σ = 73374771456. Its totient is φ = 5693980160.

The previous prime is 22323001433. The next prime is 22323001453. The reversal of 22323001440 is 4410032322.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×22323001440³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999966 + ... + 1022045.

It is an arithmetic number, because the mean of its divisors is an integer number (764320536).

Almost surely, 2^22323001440 is an apocalyptic number.

22323001440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22323001440 is an abundant number, since it is smaller than the sum of its proper divisors (51051770016).

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

22323001440 is a wasteful number, since it uses less digits than its factorization.

22323001440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022052 (or 2022044 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22323001440 its reverse (4410032322), we get a palindrome (26733033762).

The spelling of 22323001440 in words is "twenty-two billion, three hundred twenty-three million, one thousand, four hundred forty".