11022481 has 4 divisors (see below), whose sum is σ = 11291364. Its totient is φ = 10753600.

The previous prime is 11022469. The next prime is 11022493. The reversal of 11022481 is 18422011.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (11022469) and next prime (11022493).

It can be written as a sum of positive squares in 2 ways, for example, as 518400 + 10504081 = 720^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022481 - 2¹⁷ = 10891409 is a prime.

It is a super-2 number, since 2×11022481² = 242990174790722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134380 + ... + 134461.

It is an arithmetic number, because the mean of its divisors is an integer number (2822841).

Almost surely, 2^11022481 is an apocalyptic number.

It is an amenable number.

11022481 is a deficient number, since it is larger than the sum of its proper divisors (268883).

11022481 is an equidigital number, since it uses as much as digits as its factorization.

11022481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268882.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 11022481 is about 3320.0121987728. The cubic root of 11022481 is about 222.5494129198.

Adding to 11022481 its reverse (18422011), we get a palindrome (29444492).

It can be divided in two parts, 110224 and 81, that multiplied together give a square (8928144 = 2988²).

The spelling of 11022481 in words is "eleven million, twenty-two thousand, four hundred eighty-one".