10221098 has 4 divisors (see below), whose sum is σ = 15331650. Its totient is φ = 5110548.

The previous prime is 10221091. The next prime is 10221149. The reversal of 10221098 is 89012201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 289 = 3197^2 + 17^2 .

It is not an unprimeable number, because it can be changed into a prime (10221091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2555273 + ... + 2555276.

Almost surely, 2^10221098 is an apocalyptic number.

10221098 is a deficient number, since it is larger than the sum of its proper divisors (5110552).

10221098 is an equidigital number, since it uses as much as digits as its factorization.

10221098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5110551.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 10221098 is about 3197.0451983042. The cubic root of 10221098 is about 217.0197126507.

Adding to 10221098 its reverse (89012201), we get a palindrome (99233299).

The spelling of 10221098 in words is "ten million, two hundred twenty-one thousand, ninety-eight".