7840402022 has 8 divisors (see below), whose sum is σ = 12379582200. Its totient is φ = 3713874624.

The previous prime is 7840402021. The next prime is 7840402027. The reversal of 7840402022 is 2202040487.

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

It is a super-2 number, since 2×7840402022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7840402021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103163147 + ... + 103163222.

It is an arithmetic number, because the mean of its divisors is an integer number (1547447775).

Almost surely, 2^7840402022 is an apocalyptic number.

7840402022 is a deficient number, since it is larger than the sum of its proper divisors (4539180178).

7840402022 is a wasteful number, since it uses less digits than its factorization.

7840402022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206326390.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 7840402022 is about 88546.0446434509. The cubic root of 7840402022 is about 1986.6107322823.

The spelling of 7840402022 in words is "seven billion, eight hundred forty million, four hundred two thousand, twenty-two".