22341343140421 has 4 divisors (see below), whose sum is σ = 22342670707500. Its totient is φ = 22340015573344.

The previous prime is 22341343140419. The next prime is 22341343140433. The reversal of 22341343140421 is 12404134314322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10778180924196 + 11563162216225 = 3283014^2 + 3400465^2 .

It is a cyclic number.

It is not a de Polignac number, because 22341343140421 - 2¹ = 22341343140419 is a prime.

It is a super-2 number, since 2×22341343140421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22341343140461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663758296 + ... + 663791953.

It is an arithmetic number, because the mean of its divisors is an integer number (5585667676875).

Almost surely, 2^{22341343140421} is an apocalyptic number.

It is an amenable number.

22341343140421 is a deficient number, since it is larger than the sum of its proper divisors (1327567079).

22341343140421 is a wasteful number, since it uses less digits than its factorization.

22341343140421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327567078.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 22341343140421 its reverse (12404134314322), we get a palindrome (34745477454743).

The spelling of 22341343140421 in words is "twenty-two trillion, three hundred forty-one billion, three hundred forty-three million, one hundred forty thousand, four hundred twenty-one".