43378954222 has 4 divisors (see below), whose sum is σ = 65068431336. Its totient is φ = 21689477110.

The previous prime is 43378954219. The next prime is 43378954237. The reversal of 43378954222 is 22245987334.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10844738554 + ... + 10844738557.

It is an arithmetic number, because the mean of its divisors is an integer number (16267107834).

Almost surely, 2^43378954222 is an apocalyptic number.

43378954222 is a deficient number, since it is larger than the sum of its proper divisors (21689477114).

43378954222 is a wasteful number, since it uses less digits than its factorization.

43378954222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21689477113.

The product of its digits is 2903040, while the sum is 49.

The spelling of 43378954222 in words is "forty-three billion, three hundred seventy-eight million, nine hundred fifty-four thousand, two hundred twenty-two".