230221521044 has 6 divisors (see below), whose sum is σ = 402887661834. Its totient is φ = 115110760520.

The previous prime is 230221520993. The next prime is 230221521053. The reversal of 230221521044 is 440125122032.

It can be written as a sum of positive squares in only one way, i.e., 225834048400 + 4387472644 = 475220^2 + 66238^2 .

It is a super-3 number, since 3×230221521044³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28777690127 + ... + 28777690134.

It is an arithmetic number, because the mean of its divisors is an integer number (67147943639).

Almost surely, 2^230221521044 is an apocalyptic number.

It is an amenable number.

230221521044 is a deficient number, since it is larger than the sum of its proper divisors (172666140790).

230221521044 is a wasteful number, since it uses less digits than its factorization.

230221521044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57555380265 (or 57555380263 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 230221521044 its reverse (440125122032), we get a palindrome (670346643076).

The spelling of 230221521044 in words is "two hundred thirty billion, two hundred twenty-one million, five hundred twenty-one thousand, forty-four".