1001745228 has 24 divisors (see below), whose sum is σ = 2549897280. Its totient is φ = 303559120.

The previous prime is 1001745221. The next prime is 1001745271. The reversal of 1001745228 is 8225471001.

It is a super-3 number, since 3×1001745228³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001745195 and 1001745204.

It is not an unprimeable number, because it can be changed into a prime (1001745221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794358 + ... + 3794621.

It is an arithmetic number, because the mean of its divisors is an integer number (106245720).

Almost surely, 2^1001745228 is an apocalyptic number.

It is an amenable number.

1001745228 is an abundant number, since it is smaller than the sum of its proper divisors (1548152052).

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

1001745228 is a wasteful number, since it uses less digits than its factorization.

1001745228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588997 (or 7588995 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 1001745228 is about 31650.3590500961. The cubic root of 1001745228 is about 1000.5814045699.

The spelling of 1001745228 in words is "one billion, one million, seven hundred forty-five thousand, two hundred twenty-eight".