230220445 has 16 divisors (see below), whose sum is σ = 340018560. Its totient is φ = 145721664.

The previous prime is 230220433. The next prime is 230220461. The reversal of 230220445 is 544022032.

It is a cyclic number.

It is not a de Polignac number, because 230220445 - 2¹⁵ = 230187677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252535 + ... + 253444.

It is an arithmetic number, because the mean of its divisors is an integer number (21251160).

Almost surely, 2^230220445 is an apocalyptic number.

It is an amenable number.

230220445 is a deficient number, since it is larger than the sum of its proper divisors (109798115).

230220445 is a wasteful number, since it uses less digits than its factorization.

230220445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506004.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 230220445 is about 15173.0170038790. The cubic root of 230220445 is about 612.8882514137. Note that the first 3 decimals are identical.

Adding to 230220445 its reverse (544022032), we get a palindrome (774242477).

The spelling of 230220445 in words is "two hundred thirty million, two hundred twenty thousand, four hundred forty-five".