22042151441 has 4 divisors (see below), whose sum is σ = 22047101412. Its totient is φ = 22037201472.

The previous prime is 22042151437. The next prime is 22042151459. The reversal of 22042151441 is 14415124022.

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 5013206416 + 17028945025 = 70804^2 + 130495^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042151441 - 2² = 22042151437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22042151441.

It is not an unprimeable number, because it can be changed into a prime (22042151041) 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, 2468300 + ... + 2477213.

It is an arithmetic number, because the mean of its divisors is an integer number (5511775353).

Almost surely, 2^22042151441 is an apocalyptic number.

It is an amenable number.

22042151441 is a deficient number, since it is larger than the sum of its proper divisors (4949971).

22042151441 is an equidigital number, since it uses as much as digits as its factorization.

22042151441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949970.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 22042151441 its reverse (14415124022), we get a palindrome (36457275463).

The spelling of 22042151441 in words is "twenty-two billion, forty-two million, one hundred fifty-one thousand, four hundred forty-one".