111225469 has 4 divisors (see below), whose sum is σ = 115060860. Its totient is φ = 107390080.

The previous prime is 111225463. The next prime is 111225511. The reversal of 111225469 is 964522111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64480900 + 46744569 = 8030^2 + 6837^2 .

It is a cyclic number.

It is not a de Polignac number, because 111225469 - 2¹³ = 111217277 is a prime.

It is a super-2 number, since 2×111225469² = 24742209908539922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111225469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111225463) 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, 1917652 + ... + 1917709.

It is an arithmetic number, because the mean of its divisors is an integer number (28765215).

Almost surely, 2^111225469 is an apocalyptic number.

It is an amenable number.

111225469 is a deficient number, since it is larger than the sum of its proper divisors (3835391).

111225469 is an equidigital number, since it uses as much as digits as its factorization.

111225469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835390.

The product of its digits is 4320, while the sum is 31.

The square root of 111225469 is about 10546.3486098270. The cubic root of 111225469 is about 480.9147328335.

The spelling of 111225469 in words is "one hundred eleven million, two hundred twenty-five thousand, four hundred sixty-nine".