2174144628 has 12 divisors (see below), whose sum is σ = 5073004160. Its totient is φ = 724714872.

The previous prime is 2174144617. The next prime is 2174144647. The reversal of 2174144628 is 8264414712.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2174144628² = 9453809726922516768, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 90589348 + ... + 90589371.

Almost surely, 2^2174144628 is an apocalyptic number.

It is an amenable number.

2174144628 is an abundant number, since it is smaller than the sum of its proper divisors (2898859532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2174144628 is a wasteful number, since it uses less digits than its factorization.

2174144628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181178726 (or 181178724 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 2174144628 is about 46627.7238131994. The cubic root of 2174144628 is about 1295.4763140049.

The spelling of 2174144628 in words is "two billion, one hundred seventy-four million, one hundred forty-four thousand, six hundred twenty-eight".