610204221 has 12 divisors (see below), whose sum is σ = 961534080. Its totient is φ = 369820680.

The previous prime is 610204219. The next prime is 610204229. The reversal of 610204221 is 122402016.

It is not a de Polignac number, because 610204221 - 2¹ = 610204219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 610204194 and 610204203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610204229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3081741 + ... + 3081938.

It is an arithmetic number, because the mean of its divisors is an integer number (80127840).

Almost surely, 2^610204221 is an apocalyptic number.

It is an amenable number.

610204221 is a deficient number, since it is larger than the sum of its proper divisors (351329859).

610204221 is a wasteful number, since it uses less digits than its factorization.

610204221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163696 (or 6163693 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 610204221 is about 24702.3120577812. The cubic root of 610204221 is about 848.1872421800.

Adding to 610204221 its reverse (122402016), we get a palindrome (732606237).

The spelling of 610204221 in words is "six hundred ten million, two hundred four thousand, two hundred twenty-one".