2221169464 has 48 divisors (see below), whose sum is σ = 4411339920. Its totient is φ = 1048325760.

The previous prime is 2221169449. The next prime is 2221169473. The reversal of 2221169464 is 4649611222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 896932 + ... + 899404.

It is an arithmetic number, because the mean of its divisors is an integer number (91902915).

Almost surely, 2^2221169464 is an apocalyptic number.

It is an amenable number.

2221169464 is a deficient number, since it is larger than the sum of its proper divisors (2190170456).

2221169464 is a wasteful number, since it uses less digits than its factorization.

2221169464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828 (or 2805 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 2221169464 is about 47129.2845691508. The cubic root of 2221169464 is about 1304.7497773848.

The spelling of 2221169464 in words is "two billion, two hundred twenty-one million, one hundred sixty-nine thousand, four hundred sixty-four".