2174474021 has 4 divisors (see below), whose sum is σ = 2188324332. Its totient is φ = 2160623712.

The previous prime is 2174474011. The next prime is 2174474039. The reversal of 2174474021 is 1204744712.

2174474021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 444745921 + 1729728100 = 21089^2 + 41590^2 .

It is a cyclic number.

It is not a de Polignac number, because 2174474021 - 2²² = 2170279717 is a prime.

It is a super-3 number, since 3×2174474021³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174474011) 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, 6924920 + ... + 6925233.

It is an arithmetic number, because the mean of its divisors is an integer number (547081083).

Almost surely, 2^2174474021 is an apocalyptic number.

It is an amenable number.

2174474021 is a deficient number, since it is larger than the sum of its proper divisors (13850311).

2174474021 is a wasteful number, since it uses less digits than its factorization.

2174474021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13850310.

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 2174474021 is about 46631.2558376890. The cubic root of 2174474021 is about 1295.5417342589.

The spelling of 2174474021 in words is "two billion, one hundred seventy-four million, four hundred seventy-four thousand, twenty-one".