2206501021 has 8 divisors (see below), whose sum is σ = 2304213120. Its totient is φ = 2108937072.

The previous prime is 2206500997. The next prime is 2206501049. The reversal of 2206501021 is 1201056022.

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 2206501021 - 2⁷ = 2206500893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2206501021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206501051) 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, 6030 + ... + 66703.

It is an arithmetic number, because the mean of its divisors is an integer number (288026640).

Almost surely, 2^2206501021 is an apocalyptic number.

It is an amenable number.

2206501021 is a deficient number, since it is larger than the sum of its proper divisors (97712099).

2206501021 is a wasteful number, since it uses less digits than its factorization.

2206501021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74075.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2206501021 is about 46973.4075940845. The cubic root of 2206501021 is about 1301.8712737578.

Adding to 2206501021 its reverse (1201056022), we get a palindrome (3407557043).

The spelling of 2206501021 in words is "two billion, two hundred six million, five hundred one thousand, twenty-one".