7840122 has 32 divisors (see below), whose sum is σ = 16699200. Its totient is φ = 2446848.

The previous prime is 7840081. The next prime is 7840153. The reversal of 7840122 is 2210487.

It is a super-2 number, since 2×7840122² = 122935025949768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7840092 and 7840101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10704 + ... + 11412.

It is an arithmetic number, because the mean of its divisors is an integer number (521850).

Almost surely, 2^7840122 is an apocalyptic number.

7840122 is an abundant number, since it is smaller than the sum of its proper divisors (8859078).

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

7840122 is a wasteful number, since it uses less digits than its factorization.

7840122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 7840122 is about 2800.0217856295. The cubic root of 7840122 is about 198.6587081227.

The spelling of 7840122 in words is "seven million, eight hundred forty thousand, one hundred twenty-two".