27223725 has 12 divisors (see below), whose sum is σ = 45010016. Its totient is φ = 14519280.

The previous prime is 27223717. The next prime is 27223733. The reversal of 27223725 is 52732272.

It is an interprime number because it is at equal distance from previous prime (27223717) and next prime (27223733).

It is not a de Polignac number, because 27223725 - 2³ = 27223717 is a prime.

It is a super-2 number, since 2×27223725² = 1482262405751250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27223692 and 27223701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181417 + ... + 181566.

Almost surely, 2^27223725 is an apocalyptic number.

27223725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27223725 is a deficient number, since it is larger than the sum of its proper divisors (17786291).

27223725 is a wasteful number, since it uses less digits than its factorization.

27223725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362996 (or 362991 counting only the distinct ones).

The product of its digits is 11760, while the sum is 30.

The square root of 27223725 is about 5217.6359589377. The cubic root of 27223725 is about 300.8263329343.

Adding to 27223725 its reverse (52732272), we get a palindrome (79955997).

The spelling of 27223725 in words is "twenty-seven million, two hundred twenty-three thousand, seven hundred twenty-five".