2033122261 has 4 divisors (see below), whose sum is σ = 2034086572. Its totient is φ = 2032157952.

The previous prime is 2033122219. The next prime is 2033122271. The reversal of 2033122261 is 1622213302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1622213302 = 2 ⋅811106651.

It can be written as a sum of positive squares in 2 ways, for example, as 2268036 + 2030854225 = 1506^2 + 45065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2033122261 - 2²³ = 2024733653 is a prime.

It is a super-2 number, since 2×2033122261² = 8267172256347504242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2033122271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478986 + ... + 483211.

It is an arithmetic number, because the mean of its divisors is an integer number (508521643).

Almost surely, 2^2033122261 is an apocalyptic number.

It is an amenable number.

2033122261 is a deficient number, since it is larger than the sum of its proper divisors (964311).

2033122261 is an equidigital number, since it uses as much as digits as its factorization.

2033122261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964310.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2033122261 is about 45090.1570301102. The cubic root of 2033122261 is about 1266.8382427400.

Adding to 2033122261 its reverse (1622213302), we get a palindrome (3655335563).

The spelling of 2033122261 in words is "two billion, thirty-three million, one hundred twenty-two thousand, two hundred sixty-one".