4220126 has 4 divisors (see below), whose sum is σ = 6330192. Its totient is φ = 2110062.

The previous prime is 4220081. The next prime is 4220137. The reversal of 4220126 is 6210224.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055030 + ... + 1055033.

It is an arithmetic number, because the mean of its divisors is an integer number (1582548).

Almost surely, 2^4220126 is an apocalyptic number.

4220126 is a deficient number, since it is larger than the sum of its proper divisors (2110066).

4220126 is a wasteful number, since it uses less digits than its factorization.

4220126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110065.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4220126 is about 2054.2945261087. The cubic root of 4220126 is about 161.6001672628.

The spelling of 4220126 in words is "four million, two hundred twenty thousand, one hundred twenty-six".