7889622022 has 8 divisors (see below), whose sum is σ = 11996548776. Its totient is φ = 3890772432.

The previous prime is 7889622011. The next prime is 7889622031. The reversal of 7889622022 is 2202269887.

It is a happy number.

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

It is a super-2 number, since 2×7889622022² (a number of 21 digits) contains 22 as substring.

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, 27019108 + ... + 27019399.

It is an arithmetic number, because the mean of its divisors is an integer number (1499568597).

Almost surely, 2^7889622022 is an apocalyptic number.

7889622022 is a deficient number, since it is larger than the sum of its proper divisors (4106926754).

7889622022 is a wasteful number, since it uses less digits than its factorization.

7889622022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54038582.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 7889622022 is about 88823.5442999208. The cubic root of 7889622022 is about 1990.7592047762.

The spelling of 7889622022 in words is "seven billion, eight hundred eighty-nine million, six hundred twenty-two thousand, twenty-two".