22042401245 has 4 divisors (see below), whose sum is σ = 26450881500. Its totient is φ = 17633920992.

The previous prime is 22042401151. The next prime is 22042401289. The reversal of 22042401245 is 54210424022.

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 15837215716 + 6205185529 = 125846^2 + 78773^2 .

It is a cyclic number.

It is not a de Polignac number, because 22042401245 - 2²⁴ = 22025624029 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204240120 + ... + 2204240129.

It is an arithmetic number, because the mean of its divisors is an integer number (6612720375).

Almost surely, 2^22042401245 is an apocalyptic number.

It is an amenable number.

22042401245 is a deficient number, since it is larger than the sum of its proper divisors (4408480255).

22042401245 is an equidigital number, since it uses as much as digits as its factorization.

22042401245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408480254.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22042401245 its reverse (54210424022), we get a palindrome (76252825267).

The spelling of 22042401245 in words is "twenty-two billion, forty-two million, four hundred one thousand, two hundred forty-five".