22119801601 has 4 divisors (see below), whose sum is σ = 22120203952. Its totient is φ = 22119399252.

The previous prime is 22119801589. The next prime is 22119801611. The reversal of 22119801601 is 10610891122.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 22119801601 - 2³³ = 13529867009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22119801611) 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, 102615 + ... + 234028.

It is an arithmetic number, because the mean of its divisors is an integer number (5530050988).

Almost surely, 2^22119801601 is an apocalyptic number.

It is an amenable number.

22119801601 is a deficient number, since it is larger than the sum of its proper divisors (402351).

22119801601 is an equidigital number, since it uses as much as digits as its factorization.

22119801601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402350.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 22119801601 in words is "twenty-two billion, one hundred nineteen million, eight hundred one thousand, six hundred one".