4397217522 has 16 divisors (see below), whose sum is σ = 8795148960. Its totient is φ = 1465620192.

The previous prime is 4397217521. The next prime is 4397217527. The reversal of 4397217522 is 2257127934.

It is not an unprimeable number, because it can be changed into a prime (4397217521) 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, 83478 + ... + 125550.

It is an arithmetic number, because the mean of its divisors is an integer number (549696810).

Almost surely, 2^4397217522 is an apocalyptic number.

4397217522 is an abundant number, since it is smaller than the sum of its proper divisors (4397931438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4397217522 is a wasteful number, since it uses less digits than its factorization.

4397217522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59497.

The product of its digits is 211680, while the sum is 42.

The square root of 4397217522 is about 66311.5187731362. The cubic root of 4397217522 is about 1638.2970526960.

The spelling of 4397217522 in words is "four billion, three hundred ninety-seven million, two hundred seventeen thousand, five hundred twenty-two".