1822649832 has 48 divisors (see below), whose sum is σ = 5226719940. Its totient is φ = 571811328.

The previous prime is 1822649827. The next prime is 1822649837. The reversal of 1822649832 is 2389462281.

It is an interprime number because it is at equal distance from previous prime (1822649827) and next prime (1822649837).

It can be written as a sum of positive squares in 2 ways, for example, as 1805060196 + 17589636 = 42486^2 + 4194^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1822649837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743323 + ... + 745770.

Almost surely, 2^1822649832 is an apocalyptic number.

1822649832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1822649832 is an abundant number, since it is smaller than the sum of its proper divisors (3404070108).

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

1822649832 is a wasteful number, since it uses less digits than its factorization.

1822649832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489122 (or 1489115 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1822649832 is about 42692.5032294898. The cubic root of 1822649832 is about 1221.5214003463.

The spelling of 1822649832 in words is "one billion, eight hundred twenty-two million, six hundred forty-nine thousand, eight hundred thirty-two".