3000220261 has 2 divisors, whose sum is σ = 3000220262. Its totient is φ = 3000220260.

The previous prime is 3000220219. The next prime is 3000220273. The reversal of 3000220261 is 1620220003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2199047236 + 801173025 = 46894^2 + 28305^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000220261 - 2¹⁵ = 3000187493 is a prime.

It is a super-2 number, since 2×3000220261² = 18002643229029816242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3000220291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500110130 + 1500110131.

It is an arithmetic number, because the mean of its divisors is an integer number (1500110131).

Almost surely, 2^3000220261 is an apocalyptic number.

It is an amenable number.

3000220261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3000220261 is an equidigital number, since it uses as much as digits as its factorization.

3000220261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3000220261 is about 54774.2664122487. The cubic root of 3000220261 is about 1442.2848662583.

Adding to 3000220261 its reverse (1620220003), we get a palindrome (4620440264).

The spelling of 3000220261 in words is "three billion, two hundred twenty thousand, two hundred sixty-one".