22330352050421 has 16 divisors (see below), whose sum is σ = 23661415957104. Its totient is φ = 21001236163584.

The previous prime is 22330352050373. The next prime is 22330352050423. The reversal of 22330352050421 is 12405025303322.

It can be written as a sum of positive squares in 8 ways, for example, as 5189220216196 + 17141131834225 = 2277986^2 + 4140185^2 .

It is not a de Polignac number, because 22330352050421 - 2³⁸ = 22055474143477 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 (22330352050423) 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, 547117811 + ... + 547158623.

It is an arithmetic number, because the mean of its divisors is an integer number (1478838497319).

Almost surely, 2^{22330352050421} is an apocalyptic number.

It is an amenable number.

22330352050421 is a deficient number, since it is larger than the sum of its proper divisors (1331063906683).

22330352050421 is a wasteful number, since it uses less digits than its factorization.

22330352050421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63880.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 22330352050421 its reverse (12405025303322), we get a palindrome (34735377353743).

The spelling of 22330352050421 in words is "twenty-two trillion, three hundred thirty billion, three hundred fifty-two million, fifty thousand, four hundred twenty-one".