602221363540 has 48 divisors (see below), whose sum is σ = 1297624824720. Its totient is φ = 234629637120.

The previous prime is 602221363537. The next prime is 602221363543. The reversal of 602221363540 is 45363122206.

It is an interprime number because it is at equal distance from previous prime (602221363537) and next prime (602221363543).

It can be written as a sum of positive squares in 8 ways, for example, as 174800920464 + 427420443076 = 418092^2 + 653774^2 .

It is a junction number, because it is equal to n+sod(n) for n = 602221363496 and 602221363505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602221363543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96375 + ... + 1101694.

It is an arithmetic number, because the mean of its divisors is an integer number (27033850515).

Almost surely, 2^602221363540 is an apocalyptic number.

It is an amenable number.

602221363540 is an abundant number, since it is smaller than the sum of its proper divisors (695403461180).

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

602221363540 is a wasteful number, since it uses less digits than its factorization.

602221363540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198732 (or 1198730 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 602221363540 its reverse (45363122206), we get a palindrome (647584485746).

The spelling of 602221363540 in words is "six hundred two billion, two hundred twenty-one million, three hundred sixty-three thousand, five hundred forty".