7705422 has 32 divisors (see below), whose sum is σ = 17679360. Its totient is φ = 2485080.

The previous prime is 7705409. The next prime is 7705427. The reversal of 7705422 is 2245077.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7705427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 628 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (552480).

Almost surely, 2^7705422 is an apocalyptic number.

7705422 is an abundant number, since it is smaller than the sum of its proper divisors (9973938).

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

7705422 is a wasteful number, since it uses less digits than its factorization.

7705422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 7705422 is about 2775.8641897615. The cubic root of 7705422 is about 197.5144207811.

The spelling of 7705422 in words is "seven million, seven hundred five thousand, four hundred twenty-two".