2202426661 has 2 divisors, whose sum is σ = 2202426662. Its totient is φ = 2202426660.

The previous prime is 2202426631. The next prime is 2202426671. The reversal of 2202426661 is 1666242022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2176222500 + 26204161 = 46650^2 + 5119^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202426661 - 2¹³ = 2202418469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202426601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101213330 + 1101213331.

It is an arithmetic number, because the mean of its divisors is an integer number (1101213331).

Almost surely, 2^2202426661 is an apocalyptic number.

It is an amenable number.

2202426661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202426661 is an equidigital number, since it uses as much as digits as its factorization.

2202426661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2202426661 is about 46930.0187619822. The cubic root of 2202426661 is about 1301.0694672804.

Adding to 2202426661 its reverse (1666242022), we get a palindrome (3868668683).

The spelling of 2202426661 in words is "two billion, two hundred two million, four hundred twenty-six thousand, six hundred sixty-one".