2862612221 has 16 divisors (see below), whose sum is σ = 3344302080. Its totient is φ = 2399207280.

The previous prime is 2862612121. The next prime is 2862612229. The reversal of 2862612221 is 1222162682.

It is a cyclic number.

It is not a de Polignac number, because 2862612221 - 2²² = 2858417917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2862612229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410756 + ... + 417666.

It is an arithmetic number, because the mean of its divisors is an integer number (209018880).

Almost surely, 2^2862612221 is an apocalyptic number.

It is an amenable number.

2862612221 is a deficient number, since it is larger than the sum of its proper divisors (481689859).

2862612221 is a wasteful number, since it uses less digits than its factorization.

2862612221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8224.

The product of its digits is 9216, while the sum is 32.

The square root of 2862612221 is about 53503.3851358958. The cubic root of 2862612221 is about 1419.8882774298. Note that the first 3 decimals are identical.

The spelling of 2862612221 in words is "two billion, eight hundred sixty-two million, six hundred twelve thousand, two hundred twenty-one".