11222397 has 24 divisors (see below), whose sum is σ = 17592120. Its totient is φ = 6865920.

The previous prime is 11222357. The next prime is 11222417. The reversal of 11222397 is 79322211.

It can be written as a sum of positive squares in 4 ways, for example, as 2893401 + 8328996 = 1701^2 + 2886^2 .

It is not a de Polignac number, because 11222397 - 2¹⁰ = 11221373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11222397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5379 + ... + 7167.

It is an arithmetic number, because the mean of its divisors is an integer number (733005).

Almost surely, 2^11222397 is an apocalyptic number.

11222397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11222397 is a deficient number, since it is larger than the sum of its proper divisors (6369723).

11222397 is a wasteful number, since it uses less digits than its factorization.

11222397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1850 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 11222397 is about 3349.9846268304. The cubic root of 11222397 is about 223.8868276632.

The spelling of 11222397 in words is "eleven million, two hundred twenty-two thousand, three hundred ninety-seven".