22786790401 has 4 divisors (see below), whose sum is σ = 23160344404. Its totient is φ = 22413236400.

The previous prime is 22786790399. The next prime is 22786790423. The reversal of 22786790401 is 10409768722.

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 6785805376 + 16000985025 = 82376^2 + 126495^2 .

It is a cyclic number.

It is not a de Polignac number, because 22786790401 - 2¹ = 22786790399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22786790431) 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, 186776910 + ... + 186777031.

It is an arithmetic number, because the mean of its divisors is an integer number (5790086101).

Almost surely, 2^22786790401 is an apocalyptic number.

It is an amenable number.

22786790401 is a deficient number, since it is larger than the sum of its proper divisors (373554003).

22786790401 is an equidigital number, since it uses as much as digits as its factorization.

22786790401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373554002.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 22786790401 in words is "twenty-two billion, seven hundred eighty-six million, seven hundred ninety thousand, four hundred one".