1992642201 has 40 divisors (see below), whose sum is σ = 3288489600. Its totient is φ = 1192332960.

The previous prime is 1992642187. The next prime is 1992642209. The reversal of 1992642201 is 1022462991.

1992642201 is a `hidden beast` number, since 1 + 9 + 9 + 2 + 642 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 1992642201 - 2⁷ = 1992642073 is a prime.

It is a super-2 number, since 2×1992642201² = 7941245882412248802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1992642209) 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 39 ways as a sum of consecutive naturals, for example, 56235 + ... + 84543.

It is an arithmetic number, because the mean of its divisors is an integer number (82212240).

Almost surely, 2^1992642201 is an apocalyptic number.

1992642201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1992642201 is a deficient number, since it is larger than the sum of its proper divisors (1295847399).

1992642201 is a wasteful number, since it uses less digits than its factorization.

1992642201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28411 (or 28402 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1992642201 is about 44639.0210578144. The cubic root of 1992642201 is about 1258.3741103559.

The spelling of 1992642201 in words is "one billion, nine hundred ninety-two million, six hundred forty-two thousand, two hundred one".