1836622228 has 24 divisors (see below), whose sum is σ = 3678393600. Its totient is φ = 786020448.

The previous prime is 1836622181. The next prime is 1836622231. The reversal of 1836622228 is 8222266381.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25483 + ... + 65746.

It is an arithmetic number, because the mean of its divisors is an integer number (153266400).

Almost surely, 2^1836622228 is an apocalyptic number.

It is an amenable number.

1836622228 is an abundant number, since it is smaller than the sum of its proper divisors (1841771372).

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

1836622228 is a wasteful number, since it uses less digits than its factorization.

1836622228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91959 (or 91957 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 1836622228 is about 42855.8307351520. The cubic root of 1836622228 is about 1224.6348439324.

The spelling of 1836622228 in words is "one billion, eight hundred thirty-six million, six hundred twenty-two thousand, two hundred twenty-eight".