22040151443 has 4 divisors (see below), whose sum is σ = 22096810320. Its totient is φ = 21983492568.

The previous prime is 22040151401. The next prime is 22040151457. The reversal of 22040151443 is 34415104022.

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

It is a cyclic number.

It is not a de Polignac number, because 22040151443 - 2¹⁸ = 22039889299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22040151493) 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, 28328855 + ... + 28329632.

It is an arithmetic number, because the mean of its divisors is an integer number (5524202580).

Almost surely, 2^22040151443 is an apocalyptic number.

22040151443 is a deficient number, since it is larger than the sum of its proper divisors (56658877).

22040151443 is an equidigital number, since it uses as much as digits as its factorization.

22040151443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56658876.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22040151443 its reverse (34415104022), we get a palindrome (56455255465).

The spelling of 22040151443 in words is "twenty-two billion, forty million, one hundred fifty-one thousand, four hundred forty-three".