22234152305421 has 16 divisors (see below), whose sum is σ = 37645125596800. Its totient is φ = 12705229888704.

The previous prime is 22234152305341. The next prime is 22234152305483. The reversal of 22234152305421 is 12450325143222.

22234152305421 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 415 + 230 + 5 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 22234152305421 - 2²¹ = 22234150208269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234152305221) 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, 58820508556 + ... + 58820508933.

It is an arithmetic number, because the mean of its divisors is an integer number (2352820349800).

Almost surely, 2^{22234152305421} is an apocalyptic number.

22234152305421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22234152305421 is a deficient number, since it is larger than the sum of its proper divisors (15410973291379).

22234152305421 is a wasteful number, since it uses less digits than its factorization.

22234152305421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117641017505 (or 117641017499 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 22234152305421 its reverse (12450325143222), we get a palindrome (34684477448643).

The spelling of 22234152305421 in words is "twenty-two trillion, two hundred thirty-four billion, one hundred fifty-two million, three hundred five thousand, four hundred twenty-one".