1922821952 has 14 divisors (see below), whose sum is σ = 3815599938. Its totient is φ = 961410944.

The previous prime is 1922821951. The next prime is 1922821963. The reversal of 1922821952 is 2591282291.

It can be written as a sum of positive squares in only one way, i.e., 1755274816 + 167547136 = 41896^2 + 12944^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1922821951) 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 as a sum of consecutive naturals, namely, 15021983 + ... + 15022110.

Almost surely, 2^1922821952 is an apocalyptic number.

It is an amenable number.

1922821952 is a deficient number, since it is larger than the sum of its proper divisors (1892777986).

1922821952 is an equidigital number, since it uses as much as digits as its factorization.

1922821952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30044105 (or 30044095 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 1922821952 is about 43849.9937514249. The cubic root of 1922821952 is about 1243.5016252027.

The spelling of 1922821952 in words is "one billion, nine hundred twenty-two million, eight hundred twenty-one thousand, nine hundred fifty-two".