725222027 has 4 divisors (see below), whose sum is σ = 725279280. Its totient is φ = 725164776.

The previous prime is 725222009. The next prime is 725222051. The reversal of 725222027 is 720222527.

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: 720222527 = 17 ⋅42366031.

It is a cyclic number.

It is not a de Polignac number, because 725222027 - 2⁸ = 725221771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725222327) 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 3 ways as a sum of consecutive naturals, for example, 248 + ... + 38085.

It is an arithmetic number, because the mean of its divisors is an integer number (181319820).

Almost surely, 2^725222027 is an apocalyptic number.

725222027 is a deficient number, since it is larger than the sum of its proper divisors (57253).

725222027 is a wasteful number, since it uses less digits than its factorization.

725222027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57252.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 725222027 is about 26929.9466579494. The cubic root of 725222027 is about 898.4425851097.

The spelling of 725222027 in words is "seven hundred twenty-five million, two hundred twenty-two thousand, twenty-seven".