7840161022 has 4 divisors (see below), whose sum is σ = 11760241536. Its totient is φ = 3920080510.

The previous prime is 7840160983. The next prime is 7840161023. The reversal of 7840161022 is 2201610487.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7840161022² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7840161023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1960040254 + ... + 1960040257.

It is an arithmetic number, because the mean of its divisors is an integer number (2940060384).

Almost surely, 2^7840161022 is an apocalyptic number.

7840161022 is a deficient number, since it is larger than the sum of its proper divisors (3920080514).

7840161022 is a wasteful number, since it uses less digits than its factorization.

7840161022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920080513.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 7840161022 is about 88544.6837591055. The cubic root of 7840161022 is about 1986.5903771147.

The spelling of 7840161022 in words is "seven billion, eight hundred forty million, one hundred sixty-one thousand, twenty-two".