35573221252 has 24 divisors (see below), whose sum is σ = 62929263320. Its totient is φ = 17593977600.

The previous prime is 35573221249. The next prime is 35573221261. The reversal of 35573221252 is 25212237553.

It can be written as a sum of positive squares in 4 ways, for example, as 5746549636 + 29826671616 = 75806^2 + 172704^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194158 + ... + 329914.

Almost surely, 2^35573221252 is an apocalyptic number.

It is an amenable number.

35573221252 is a deficient number, since it is larger than the sum of its proper divisors (27356042068).

35573221252 is a wasteful number, since it uses less digits than its factorization.

35573221252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136471 (or 136469 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The spelling of 35573221252 in words is "thirty-five billion, five hundred seventy-three million, two hundred twenty-one thousand, two hundred fifty-two".