43337122228381 has 4 divisors (see below), whose sum is σ = 43337141769600. Its totient is φ = 43337102687164.

The previous prime is 43337122228307. The next prime is 43337122228429. The reversal of 43337122228381 is 18382222173334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43337122228381 - 2¹⁵ = 43337122195613 is a prime.

It is a super-2 number, since 2×43337122228381² (a number of 28 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 (43337122225381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5944621 + ... + 11045938.

It is an arithmetic number, because the mean of its divisors is an integer number (10834285442400).

Almost surely, 2^{43337122228381} is an apocalyptic number.

It is an amenable number.

43337122228381 is a deficient number, since it is larger than the sum of its proper divisors (19541219).

43337122228381 is a wasteful number, since it uses less digits than its factorization.

43337122228381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19541218.

The product of its digits is 2322432, while the sum is 49.

The spelling of 43337122228381 in words is "forty-three trillion, three hundred thirty-seven billion, one hundred twenty-two million, two hundred twenty-eight thousand, three hundred eighty-one".