23221214140 has 12 divisors (see below), whose sum is σ = 48764549736. Its totient is φ = 9288485648.

The previous prime is 23221214131. The next prime is 23221214179. The reversal of 23221214140 is 4141212232.

It is a super-2 number, since 2×23221214140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580530334 + ... + 580530373.

It is an arithmetic number, because the mean of its divisors is an integer number (4063712478).

Almost surely, 2^23221214140 is an apocalyptic number.

23221214140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23221214140 is an abundant number, since it is smaller than the sum of its proper divisors (25543335596).

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

23221214140 is a wasteful number, since it uses less digits than its factorization.

23221214140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161060716 (or 1161060714 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 23221214140 its reverse (4141212232), we get a palindrome (27362426372).

The spelling of 23221214140 in words is "twenty-three billion, two hundred twenty-one million, two hundred fourteen thousand, one hundred forty".