2035542221 has 4 divisors (see below), whose sum is σ = 2073948732. Its totient is φ = 1997135712.

The previous prime is 2035542217. The next prime is 2035542233. The reversal of 2035542221 is 1222455302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1712800996 + 322741225 = 41386^2 + 17965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2035542221 - 2² = 2035542217 is a prime.

It is a super-2 number, since 2×2035542221² = 8286864266947225682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2035542241) 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, 19203176 + ... + 19203281.

It is an arithmetic number, because the mean of its divisors is an integer number (518487183).

Almost surely, 2^2035542221 is an apocalyptic number.

It is an amenable number.

2035542221 is a deficient number, since it is larger than the sum of its proper divisors (38406511).

2035542221 is an equidigital number, since it uses as much as digits as its factorization.

2035542221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38406510.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2035542221 is about 45116.9837311849. The cubic root of 2035542221 is about 1267.3406690496.

Adding to 2035542221 its reverse (1222455302), we get a palindrome (3257997523).

The spelling of 2035542221 in words is "two billion, thirty-five million, five hundred forty-two thousand, two hundred twenty-one".