4205422 has 16 divisors (see below), whose sum is σ = 7151760. Its totient is φ = 1838592.

The previous prime is 4205393. The next prime is 4205437. The reversal of 4205422 is 2245024.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 4205422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3763 + ... + 4750.

It is an arithmetic number, because the mean of its divisors is an integer number (446985).

Almost surely, 2^4205422 is an apocalyptic number.

4205422 is a deficient number, since it is larger than the sum of its proper divisors (2946338).

4205422 is a wasteful number, since it uses less digits than its factorization.

4205422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 4205422 is about 2050.7125590877. The cubic root of 4205422 is about 161.4122633992.

The spelling of 4205422 in words is "four million, two hundred five thousand, four hundred twenty-two".