3537220229 has 4 divisors (see below), whose sum is σ = 3537341676. Its totient is φ = 3537098784.

The previous prime is 3537220223. The next prime is 3537220279. The reversal of 3537220229 is 9220227353.

3537220229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 490401025 + 3046819204 = 22145^2 + 55198^2 .

It is a cyclic number.

It is not a de Polignac number, because 3537220229 - 2¹⁶ = 3537154693 is a prime.

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 (3537220223) 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, 11987 + ... + 84959.

It is an arithmetic number, because the mean of its divisors is an integer number (884335419).

Almost surely, 2^3537220229 is an apocalyptic number.

It is an amenable number.

3537220229 is a deficient number, since it is larger than the sum of its proper divisors (121447).

3537220229 is an equidigital number, since it uses as much as digits as its factorization.

3537220229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121446.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 3537220229 is about 59474.5342898959. The cubic root of 3537220229 is about 1523.6575453086.

The spelling of 3537220229 in words is "three billion, five hundred thirty-seven million, two hundred twenty thousand, two hundred twenty-nine".