2221275658 has 32 divisors (see below), whose sum is σ = 4034548224. Its totient is φ = 895387392.

The previous prime is 2221275647. The next prime is 2221275671. The reversal of 2221275658 is 8565721222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221275658.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656860 + ... + 660232.

It is an arithmetic number, because the mean of its divisors is an integer number (126079632).

Almost surely, 2^2221275658 is an apocalyptic number.

2221275658 is a deficient number, since it is larger than the sum of its proper divisors (1813272566).

2221275658 is a wasteful number, since it uses less digits than its factorization.

2221275658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6166.

The product of its digits is 134400, while the sum is 40.

The square root of 2221275658 is about 47130.4111800438. The cubic root of 2221275658 is about 1304.7705703938.

The spelling of 2221275658 in words is "two billion, two hundred twenty-one million, two hundred seventy-five thousand, six hundred fifty-eight".