11220898 has 16 divisors (see below), whose sum is σ = 18309816. Its totient is φ = 5126400.

The previous prime is 11220857. The next prime is 11220899. The reversal of 11220898 is 89802211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9406489 + 1814409 = 3067^2 + 1347^2 .

It is not an unprimeable number, because it can be changed into a prime (11220899) 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, 490 + ... + 4762.

Almost surely, 2^11220898 is an apocalyptic number.

11220898 is a deficient number, since it is larger than the sum of its proper divisors (7088918).

11220898 is a wasteful number, since it uses less digits than its factorization.

11220898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11220898 is about 3349.7608869888. The cubic root of 11220898 is about 223.8768588690.

The spelling of 11220898 in words is "eleven million, two hundred twenty thousand, eight hundred ninety-eight".