602122261 has 16 divisors (see below), whose sum is σ = 657846000. Its totient is φ = 547803648.

The previous prime is 602122253. The next prime is 602122309. The reversal of 602122261 is 162221206.

It can be written as a sum of positive squares in 8 ways, for example, as 225180036 + 376942225 = 15006^2 + 19415^2 .

It is a cyclic number.

It is not a de Polignac number, because 602122261 - 2³ = 602122253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602122211) 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, 264235 + ... + 266503.

It is an arithmetic number, because the mean of its divisors is an integer number (41115375).

Almost surely, 2^602122261 is an apocalyptic number.

It is an amenable number.

602122261 is a deficient number, since it is larger than the sum of its proper divisors (55723739).

602122261 is a wasteful number, since it uses less digits than its factorization.

602122261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 602122261 is about 24538.1796594613. The cubic root of 602122261 is about 844.4259308223.

Adding to 602122261 its reverse (162221206), we get a palindrome (764343467).

It can be divided in two parts, 6021 and 22261, that added together give a palindrome (28282).

The spelling of 602122261 in words is "six hundred two million, one hundred twenty-two thousand, two hundred sixty-one".