610223460 has 144 divisors (see below), whose sum is σ = 2168389440. Its totient is φ = 126792960.

The previous prime is 610223447. The next prime is 610223473. The reversal of 610223460 is 64322016.

It is an interprime number because it is at equal distance from previous prime (610223447) and next prime (610223473).

It is a super-2 number, since 2×610223460² = 744745342268743200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 610223460.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22906 + ... + 41774.

It is an arithmetic number, because the mean of its divisors is an integer number (15058260).

Almost surely, 2^610223460 is an apocalyptic number.

610223460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 610223460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084194720).

610223460 is an abundant number, since it is smaller than the sum of its proper divisors (1558165980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

610223460 is a wasteful number, since it uses less digits than its factorization.

610223460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18906 (or 18897 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 610223460 is about 24702.7014717014. The cubic root of 610223460 is about 848.1961561917.

Adding to 610223460 its reverse (64322016), we get a palindrome (674545476).

The spelling of 610223460 in words is "six hundred ten million, two hundred twenty-three thousand, four hundred sixty".