221234114440 has 32 divisors (see below), whose sum is σ = 523975536000. Its totient is φ = 83836085184.

The previous prime is 221234114419. The next prime is 221234114483. The reversal of 221234114440 is 44411432122.

It is a junction number, because it is equal to n+sod(n) for n = 221234114399 and 221234114408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145548000 + ... + 145549519.

It is an arithmetic number, because the mean of its divisors is an integer number (16374235500).

Almost surely, 2^221234114440 is an apocalyptic number.

221234114440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221234114440 is an abundant number, since it is smaller than the sum of its proper divisors (302741421560).

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

221234114440 is a wasteful number, since it uses less digits than its factorization.

221234114440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291097549 (or 291097545 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 221234114440 its reverse (44411432122), we get a palindrome (265645546562).

The spelling of 221234114440 in words is "two hundred twenty-one billion, two hundred thirty-four million, one hundred fourteen thousand, four hundred forty".