10218552 has 32 divisors (see below), whose sum is σ = 26092800. Its totient is φ = 3333344.

The previous prime is 10218541. The next prime is 10218557. The reversal of 10218552 is 25581201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10218557) 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 7 ways as a sum of consecutive naturals, for example, 3402 + ... + 5657.

It is an arithmetic number, because the mean of its divisors is an integer number (815400).

Almost surely, 2^10218552 is an apocalyptic number.

10218552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10218552 is an abundant number, since it is smaller than the sum of its proper divisors (15874248).

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

10218552 is a wasteful number, since it uses less digits than its factorization.

10218552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115 (or 9111 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 10218552 is about 3196.6469933354. The cubic root of 10218552 is about 217.0016918186.

Adding to 10218552 its reverse (25581201), we get a palindrome (35799753).

The spelling of 10218552 in words is "ten million, two hundred eighteen thousand, five hundred fifty-two".