2205697427 has 8 divisors (see below), whose sum is σ = 2257812480. Its totient is φ = 2153619720.

The previous prime is 2205697393. The next prime is 2205697499. The reversal of 2205697427 is 7247965022.

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 2205697427 - 2²⁴ = 2188920211 is a prime.

It is a super-2 number, since 2×2205697427² = 9730202278948840658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205690427) 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, 136802 + ... + 152072.

It is an arithmetic number, because the mean of its divisors is an integer number (282226560).

Almost surely, 2^2205697427 is an apocalyptic number.

2205697427 is a deficient number, since it is larger than the sum of its proper divisors (52115053).

2205697427 is a wasteful number, since it uses less digits than its factorization.

2205697427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18673.

The product of its (nonzero) digits is 423360, while the sum is 44.

The square root of 2205697427 is about 46964.8531031451. The cubic root of 2205697427 is about 1301.7132100839.

The spelling of 2205697427 in words is "two billion, two hundred five million, six hundred ninety-seven thousand, four hundred twenty-seven".