35540221 has 8 divisors (see below), whose sum is σ = 37152000. Its totient is φ = 33934032.

The previous prime is 35540209. The next prime is 35540237. The reversal of 35540221 is 12204553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 35540221 - 2⁷ = 35540093 is a prime.

It is a super-3 number, since 3×35540221³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 35540192 and 35540201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35540521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16780 + ... + 18778.

It is an arithmetic number, because the mean of its divisors is an integer number (4644000).

Almost surely, 2^35540221 is an apocalyptic number.

It is an amenable number.

35540221 is a deficient number, since it is larger than the sum of its proper divisors (1611779).

35540221 is a wasteful number, since it uses less digits than its factorization.

35540221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 35540221 is about 5961.5619597552. The cubic root of 35540221 is about 328.7809969472.

Adding to 35540221 its reverse (12204553), we get a palindrome (47744774).

The spelling of 35540221 in words is "thirty-five million, five hundred forty thousand, two hundred twenty-one".