1822532148 has 18 divisors (see below), whose sum is σ = 4606956354. Its totient is φ = 607510704.

The previous prime is 1822532137. The next prime is 1822532171. The reversal of 1822532148 is 8412352281.

It is a happy number.

1822532148 is a `hidden beast` number, since 1 + 82 + 2 + 532 + 1 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1815782544 + 6749604 = 42612^2 + 2598^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 50625893 = 1822532148 / (1 + 8 + 2 + 2 + 5 + 3 + 2 + 1 + 4 + 8).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 25312911 + ... + 25312982.

Almost surely, 2^1822532148 is an apocalyptic number.

1822532148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1822532148 is an abundant number, since it is smaller than the sum of its proper divisors (2784424206).

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

1822532148 is a wasteful number, since it uses less digits than its factorization.

1822532148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50625903 (or 50625898 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 1822532148 is about 42691.1249324728. The cubic root of 1822532148 is about 1221.4951095734.

The spelling of 1822532148 in words is "one billion, eight hundred twenty-two million, five hundred thirty-two thousand, one hundred forty-eight".