11221748 has 12 divisors (see below), whose sum is σ = 19780320. Its totient is φ = 5570232.

The previous prime is 11221739. The next prime is 11221757. The reversal of 11221748 is 84712211.

It is an interprime number because it is at equal distance from previous prime (11221739) and next prime (11221757).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9536 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (1648360).

Almost surely, 2^11221748 is an apocalyptic number.

It is an amenable number.

11221748 is a deficient number, since it is larger than the sum of its proper divisors (8558572).

11221748 is a wasteful number, since it uses less digits than its factorization.

11221748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20326 (or 20324 counting only the distinct ones).

The product of its digits is 896, while the sum is 26.

The square root of 11221748 is about 3349.8877593137. The cubic root of 11221748 is about 223.8825117299.

Adding to 11221748 its reverse (84712211), we get a palindrome (95933959).

The spelling of 11221748 in words is "eleven million, two hundred twenty-one thousand, seven hundred forty-eight".