603422820 has 576 divisors, whose sum is σ = 2615348736. Its totient is φ = 108380160.

The previous prime is 603422761. The next prime is 603422821. The reversal of 603422820 is 28224306.

It is not an unprimeable number, because it can be changed into a prime (603422821) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3062962 + ... + 3063158.

It is an arithmetic number, because the mean of its divisors is an integer number (4540536).

Almost surely, 2^603422820 is an apocalyptic number.

603422820 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 603422820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307674368).

603422820 is an abundant number, since it is smaller than the sum of its proper divisors (2011925916).

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

603422820 is a wasteful number, since it uses less digits than its factorization.

603422820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 603422820 is about 24564.6660876960. Note that the first 3 decimals coincide. The cubic root of 603422820 is about 845.0334685575.

The spelling of 603422820 in words is "six hundred three million, four hundred twenty-two thousand, eight hundred twenty".