1774224420 has 48 divisors (see below), whose sum is σ = 4971189888. Its totient is φ = 472806400.

The previous prime is 1774224383. The next prime is 1774224421. The reversal of 1774224420 is 244224771.

It is not an unprimeable number, because it can be changed into a prime (1774224421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87220 + ... + 105620.

It is an arithmetic number, because the mean of its divisors is an integer number (103566456).

Almost surely, 2^1774224420 is an apocalyptic number.

1774224420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1774224420 is an abundant number, since it is smaller than the sum of its proper divisors (3196965468).

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

1774224420 is a wasteful number, since it uses less digits than its factorization.

1774224420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020 (or 20018 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

The square root of 1774224420 is about 42121.5434190154. The cubic root of 1774224420 is about 1210.6060802672.

The spelling of 1774224420 in words is "one billion, seven hundred seventy-four million, two hundred twenty-four thousand, four hundred twenty".