35221057 has 4 divisors (see below), whose sum is σ = 35351296. Its totient is φ = 35090820.

The previous prime is 35221049. The next prime is 35221099. The reversal of 35221057 is 75012253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 35221057 - 2³ = 35221049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64713 + ... + 65254.

It is an arithmetic number, because the mean of its divisors is an integer number (8837824).

Almost surely, 2^35221057 is an apocalyptic number.

It is an amenable number.

35221057 is a deficient number, since it is larger than the sum of its proper divisors (130239).

35221057 is a wasteful number, since it uses less digits than its factorization.

35221057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130238.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 35221057 is about 5934.7331026761. The cubic root of 35221057 is about 327.7938453953.

The spelling of 35221057 in words is "thirty-five million, two hundred twenty-one thousand, fifty-seven".