11222570 has 16 divisors (see below), whose sum is σ = 20671200. Its totient is φ = 4384464.

The previous prime is 11222539. The next prime is 11222573. The reversal of 11222570 is 7522211.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11222573) 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, 12620 + ... + 13479.

It is an arithmetic number, because the mean of its divisors is an integer number (1291950).

Almost surely, 2^11222570 is an apocalyptic number.

11222570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222570 is a deficient number, since it is larger than the sum of its proper divisors (9448630).

11222570 is a wasteful number, since it uses less digits than its factorization.

11222570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26149.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 11222570 is about 3350.0104477449. The cubic root of 11222570 is about 223.8879781073.

Adding to 11222570 its reverse (7522211), we get a palindrome (18744781).

The spelling of 11222570 in words is "eleven million, two hundred twenty-two thousand, five hundred seventy".