22091672401 has 4 divisors (see below), whose sum is σ = 22561708032. Its totient is φ = 21621636772.

The previous prime is 22091672387. The next prime is 22091672423. The reversal of 22091672401 is 10427619022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10427619022 = 2 ⋅5213809511.

It is a cyclic number.

It is not a de Polignac number, because 22091672401 - 2¹¹ = 22091670353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22091675401) 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, 235017745 + ... + 235017838.

It is an arithmetic number, because the mean of its divisors is an integer number (5640427008).

Almost surely, 2^22091672401 is an apocalyptic number.

It is an amenable number.

22091672401 is a deficient number, since it is larger than the sum of its proper divisors (470035631).

22091672401 is an equidigital number, since it uses as much as digits as its factorization.

22091672401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470035630.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 22091672401 in words is "twenty-two billion, ninety-one million, six hundred seventy-two thousand, four hundred one".