22166603619 has 4 divisors (see below), whose sum is σ = 29555471496. Its totient is φ = 14777735744.

The previous prime is 22166603617. The next prime is 22166603651. The reversal of 22166603619 is 91630666122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22166603619 - 2¹ = 22166603617 is a prime.

It is a super-2 number, since 2×22166603619² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22166603611) 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, 3694433934 + ... + 3694433939.

It is an arithmetic number, because the mean of its divisors is an integer number (7388867874).

Almost surely, 2^22166603619 is an apocalyptic number.

22166603619 is a deficient number, since it is larger than the sum of its proper divisors (7388867877).

22166603619 is an equidigital number, since it uses as much as digits as its factorization.

22166603619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388867876.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 22166603619 in words is "twenty-two billion, one hundred sixty-six million, six hundred three thousand, six hundred nineteen".