11222445 has 48 divisors (see below), whose sum is σ = 20554560. Its totient is φ = 5211648.

The previous prime is 11222429. The next prime is 11222447. The reversal of 11222445 is 54422211.

It is not a de Polignac number, because 11222445 - 2⁴ = 11222429 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48049 + ... + 48281.

It is an arithmetic number, because the mean of its divisors is an integer number (428220).

Almost surely, 2^11222445 is an apocalyptic number.

11222445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11222445 is a deficient number, since it is larger than the sum of its proper divisors (9332115).

11222445 is a wasteful number, since it uses less digits than its factorization.

11222445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 273 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 11222445 is about 3349.9917910347. The cubic root of 11222445 is about 223.8871468628.

Adding to 11222445 its reverse (54422211), we get a palindrome (65644656).

The spelling of 11222445 in words is "eleven million, two hundred twenty-two thousand, four hundred forty-five".