35622021 has 8 divisors (see below), whose sum is σ = 50289984. Its totient is φ = 22351040.

The previous prime is 35622019. The next prime is 35622047. The reversal of 35622021 is 12022653.

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 35622021 - 2¹ = 35622019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35622001) 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, 349185 + ... + 349286.

It is an arithmetic number, because the mean of its divisors is an integer number (6286248).

Almost surely, 2^35622021 is an apocalyptic number.

It is an amenable number.

35622021 is a deficient number, since it is larger than the sum of its proper divisors (14667963).

35622021 is a wasteful number, since it uses less digits than its factorization.

35622021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698491.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 35622021 is about 5968.4186347809. The cubic root of 35622021 is about 329.0330463875.

Adding to 35622021 its reverse (12022653), we get a palindrome (47644674).

The spelling of 35622021 in words is "thirty-five million, six hundred twenty-two thousand, twenty-one".