2227215639 has 16 divisors (see below), whose sum is σ = 3269312640. Its totient is φ = 1337441760.

The previous prime is 2227215607. The next prime is 2227215691. The reversal of 2227215639 is 9365127222.

It is not a de Polignac number, because 2227215639 - 2⁵ = 2227215607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2227215597 and 2227215606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2227215239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305997 + ... + 313190.

It is an arithmetic number, because the mean of its divisors is an integer number (204332040).

Almost surely, 2^2227215639 is an apocalyptic number.

2227215639 is a deficient number, since it is larger than the sum of its proper divisors (1042097001).

2227215639 is a wasteful number, since it uses less digits than its factorization.

2227215639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619310.

The product of its digits is 90720, while the sum is 39.

The square root of 2227215639 is about 47193.3855428915. The cubic root of 2227215639 is about 1305.9325774843.

The spelling of 2227215639 in words is "two billion, two hundred twenty-seven million, two hundred fifteen thousand, six hundred thirty-nine".