2206955521 has 8 divisors (see below), whose sum is σ = 2391120864. Its totient is φ = 2028828480.

The previous prime is 2206955519. The next prime is 2206955537. The reversal of 2206955521 is 1255596022.

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 2206955521 - 2¹ = 2206955519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2206955221) 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, 1508815 + ... + 1510276.

It is an arithmetic number, because the mean of its divisors is an integer number (298890108).

Almost surely, 2^2206955521 is an apocalyptic number.

It is an amenable number.

2206955521 is a deficient number, since it is larger than the sum of its proper divisors (184165343).

2206955521 is a wasteful number, since it uses less digits than its factorization.

2206955521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019151.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 2206955521 is about 46978.2451885977. The cubic root of 2206955521 is about 1301.9606550703.

The spelling of 2206955521 in words is "two billion, two hundred six million, nine hundred fifty-five thousand, five hundred twenty-one".