3997111622 has 8 divisors (see below), whose sum is σ = 6852191376. Its totient is φ = 1713047832.

The previous prime is 3997111577. The next prime is 3997111669. The reversal of 3997111622 is 2261117993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3997111622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142753973 + ... + 142754000.

It is an arithmetic number, because the mean of its divisors is an integer number (856523922).

Almost surely, 2^3997111622 is an apocalyptic number.

3997111622 is a deficient number, since it is larger than the sum of its proper divisors (2855079754).

3997111622 is a wasteful number, since it uses less digits than its factorization.

3997111622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285507982.

The product of its digits is 40824, while the sum is 41.

The square root of 3997111622 is about 63222.7144466291. The cubic root of 3997111622 is about 1587.0188754413.

The spelling of 3997111622 in words is "three billion, nine hundred ninety-seven million, one hundred eleven thousand, six hundred twenty-two".