1001642202 has 48 divisors (see below), whose sum is σ = 2389289760. Its totient is φ = 300736800.

The previous prime is 1001642183. The next prime is 1001642237. The reversal of 1001642202 is 2022461001.

1001642202 is a `hidden beast` number, since 1 + 0 + 0 + 1 + 642 + 20 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1624 + ... + 44787.

It is an arithmetic number, because the mean of its divisors is an integer number (49776870).

Almost surely, 2^1001642202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001642202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194644880).

1001642202 is an abundant number, since it is smaller than the sum of its proper divisors (1387647558).

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

1001642202 is a wasteful number, since it uses less digits than its factorization.

1001642202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46539 (or 46536 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1001642202 is about 31648.7314437720. The cubic root of 1001642202 is about 1000.5471012923.

The spelling of 1001642202 in words is "one billion, one million, six hundred forty-two thousand, two hundred two".