2222511566164 has 24 divisors (see below), whose sum is σ = 4118615847360. Its totient is φ = 1046464626816.

The previous prime is 2222511566161. The next prime is 2222511566227. The reversal of 2222511566164 is 4616651152222.

It is a happy number.

It is a super-2 number, since 2×2222511566164² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2222511566164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222511566161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87542917 + ... + 87568300.

It is an arithmetic number, because the mean of its divisors is an integer number (171608993640).

Almost surely, 2^{2222511566164} is an apocalyptic number.

It is an amenable number.

2222511566164 is a deficient number, since it is larger than the sum of its proper divisors (1896104281196).

2222511566164 is a wasteful number, since it uses less digits than its factorization.

2222511566164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175111407 (or 175111405 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The spelling of 2222511566164 in words is "two trillion, two hundred twenty-two billion, five hundred eleven million, five hundred sixty-six thousand, one hundred sixty-four".