2213044261 has 2 divisors, whose sum is σ = 2213044262. Its totient is φ = 2213044260.

The previous prime is 2213044243. The next prime is 2213044367. The reversal of 2213044261 is 1624403122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2187339361 + 25704900 = 46769^2 + 5070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213044261 - 2¹³ = 2213036069 is a prime.

It is a super-2 number, since 2×2213044261² = 9795129802290072242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213044231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106522130 + 1106522131.

It is an arithmetic number, because the mean of its divisors is an integer number (1106522131).

Almost surely, 2^2213044261 is an apocalyptic number.

It is an amenable number.

2213044261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213044261 is an equidigital number, since it uses as much as digits as its factorization.

2213044261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2213044261 is about 47043.0043789722. The cubic root of 2213044261 is about 1303.1568762633.

Adding to 2213044261 its reverse (1624403122), we get a palindrome (3837447383).

It can be divided in two parts, 22130 and 44261, that multiplied together give a triangular number (979495930 = T₄₄₂₆₀).

The spelling of 2213044261 in words is "two billion, two hundred thirteen million, forty-four thousand, two hundred sixty-one".