174229421 has 6 divisors (see below), whose sum is σ = 178377390. Its totient is φ = 170175768.

The previous prime is 174229409. The next prime is 174229441. The reversal of 174229421 is 124922471.

It is a happy number.

174229421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 168636196 + 5593225 = 12986^2 + 2365^2 .

It is not a de Polignac number, because 174229421 - 2¹⁴ = 174213037 is a prime.

It is a super-2 number, since 2×174229421² = 60711782283990482, which contains 22 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 (174229441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45266 + ... + 48963.

It is an arithmetic number, because the mean of its divisors is an integer number (29729565).

Almost surely, 2^174229421 is an apocalyptic number.

It is an amenable number.

174229421 is a deficient number, since it is larger than the sum of its proper divisors (4147969).

174229421 is an frugal number, since it uses more digits than its factorization.

174229421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94315 (or 94272 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 174229421 is about 13199.5992742204. The cubic root of 174229421 is about 558.5222742940.

The spelling of 174229421 in words is "one hundred seventy-four million, two hundred twenty-nine thousand, four hundred twenty-one".