11225719 has 4 divisors (see below), whose sum is σ = 11232544. Its totient is φ = 11218896.

The previous prime is 11225717. The next prime is 11225741. The reversal of 11225719 is 91752211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 91752211 = 163 ⋅562897.

It is a cyclic number.

It is not a de Polignac number, because 11225719 - 2¹ = 11225717 is a prime.

It is a super-2 number, since 2×11225719² = 252033534133922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11225717) 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, 739 + ... + 4795.

It is an arithmetic number, because the mean of its divisors is an integer number (2808136).

Almost surely, 2^11225719 is an apocalyptic number.

11225719 is a deficient number, since it is larger than the sum of its proper divisors (6825).

11225719 is an equidigital number, since it uses as much as digits as its factorization.

11225719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824.

The product of its digits is 1260, while the sum is 28.

The square root of 11225719 is about 3350.4804133139. The cubic root of 11225719 is about 223.9089167845.

The spelling of 11225719 in words is "eleven million, two hundred twenty-five thousand, seven hundred nineteen".