10221498 has 48 divisors (see below), whose sum is σ = 26429760. Its totient is φ = 2919672.

The previous prime is 10221481. The next prime is 10221511. The reversal of 10221498 is 89412201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 715 + ... + 4577.

It is an arithmetic number, because the mean of its divisors is an integer number (550620).

Almost surely, 2^10221498 is an apocalyptic number.

10221498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13214880).

10221498 is an abundant number, since it is smaller than the sum of its proper divisors (16208262).

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

10221498 is a wasteful number, since it uses less digits than its factorization.

10221498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 10221498 is about 3197.1077554565. The cubic root of 10221498 is about 217.0225436170.

Adding to 10221498 its reverse (89412201), we get a palindrome (99633699).

The spelling of 10221498 in words is "ten million, two hundred twenty-one thousand, four hundred ninety-eight".