1670424228 has 48 divisors (see below), whose sum is σ = 4724435520. Its totient is φ = 506188800.

The previous prime is 1670424221. The next prime is 1670424247. The reversal of 1670424228 is 8224240761.

1670424228 is a `hidden beast` number, since 1 + 6 + 7 + 0 + 424 + 228 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1670424192 and 1670424201.

It is not an unprimeable number, because it can be changed into a prime (1670424221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 701853 + ... + 704228.

It is an arithmetic number, because the mean of its divisors is an integer number (98425740).

Almost surely, 2^1670424228 is an apocalyptic number.

1670424228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1670424228 is an abundant number, since it is smaller than the sum of its proper divisors (3054011292).

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

1670424228 is a wasteful number, since it uses less digits than its factorization.

1670424228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406105 (or 1406097 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1670424228 is about 40870.8236765544. The cubic root of 1670424228 is about 1186.5214490410.

Adding to 1670424228 its reverse (8224240761), we get a palindrome (9894664989).

The spelling of 1670424228 in words is "one billion, six hundred seventy million, four hundred twenty-four thousand, two hundred twenty-eight".