174228420 has 48 divisors (see below), whose sum is σ = 489460608. Its totient is φ = 46306560.

The previous prime is 174228419. The next prime is 174228469. The reversal of 174228420 is 24822471.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13992 + ... + 23328.

It is an arithmetic number, because the mean of its divisors is an integer number (10197096).

Almost surely, 2^174228420 is an apocalyptic number.

174228420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

174228420 is an abundant number, since it is smaller than the sum of its proper divisors (315232188).

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

174228420 is a wasteful number, since it uses less digits than its factorization.

174228420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660 (or 9658 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 174228420 is about 13199.5613563482. The cubic root of 174228420 is about 558.5212046663.

The spelling of 174228420 in words is "one hundred seventy-four million, two hundred twenty-eight thousand, four hundred twenty".