11022431 has 8 divisors (see below), whose sum is σ = 12623520. Its totient is φ = 9427968.

The previous prime is 11022397. The next prime is 11022437. The reversal of 11022431 is 13422011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11022431 - 2¹⁰ = 11021407 is a prime.

It is a super-2 number, since 2×11022431² = 242987970299522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (1577940).

Almost surely, 2^11022431 is an apocalyptic number.

11022431 is a deficient number, since it is larger than the sum of its proper divisors (1601089).

11022431 is an equidigital number, since it uses as much as digits as its factorization.

11022431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11022431 is about 3320.0046686714. The cubic root of 11022431 is about 222.5490764110.

Adding to 11022431 its reverse (13422011), we get a palindrome (24444442).

The spelling of 11022431 in words is "eleven million, twenty-two thousand, four hundred thirty-one".