1827228029 has 4 divisors (see below), whose sum is σ = 1993339680. Its totient is φ = 1661116380.

The previous prime is 1827227981. The next prime is 1827228059. The reversal of 1827228029 is 9208227281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1827228029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1827228059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83055809 + ... + 83055830.

It is an arithmetic number, because the mean of its divisors is an integer number (498334920).

Almost surely, 2^1827228029 is an apocalyptic number.

It is an amenable number.

1827228029 is a deficient number, since it is larger than the sum of its proper divisors (166111651).

1827228029 is a wasteful number, since it uses less digits than its factorization.

1827228029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166111650.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 1827228029 is about 42746.0878794773. The cubic root of 1827228029 is about 1222.5432989154.

The spelling of 1827228029 in words is "one billion, eight hundred twenty-seven million, two hundred twenty-eight thousand, twenty-nine".