10021774 has 20 divisors (see below), whose sum is σ = 17545464. Its totient is φ = 4292988.

The previous prime is 10021769. The next prime is 10021777. The reversal of 10021774 is 47712001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021777) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 3759 + ... + 5845.

Almost surely, 2^10021774 is an apocalyptic number.

10021774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10021774 is a deficient number, since it is larger than the sum of its proper divisors (7523690).

10021774 is an frugal number, since it uses more digits than its factorization.

10021774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2096 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 10021774 is about 3165.7185598218. The cubic root of 10021774 is about 215.5997245176.

Adding to 10021774 its reverse (47712001), we get a palindrome (57733775).

The spelling of 10021774 in words is "ten million, twenty-one thousand, seven hundred seventy-four".