221295376 has 15 divisors (see below), whose sum is σ = 428875111. Its totient is φ = 110617936.

The previous prime is 221295359. The next prime is 221295383. The reversal of 221295376 is 673592122.

The square root of 221295376 is 14876.

It is a perfect power (a square), and thus also a powerful number.

221295376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×221295376⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 57645 + ... + 61363.

Almost surely, 2^221295376 is an apocalyptic number.

221295376 is the 14876-th square number.

It is an amenable number.

221295376 is a deficient number, since it is larger than the sum of its proper divisors (207579735).

221295376 is an frugal number, since it uses more digits than its factorization.

221295376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7446 (or 3721 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The cubic root of 221295376 is about 604.8635951389.

The spelling of 221295376 in words is "two hundred twenty-one million, two hundred ninety-five thousand, three hundred seventy-six".