4058220 has 48 divisors (see below), whose sum is σ = 11450880. Its totient is φ = 1073856.

The previous prime is 4058209. The next prime is 4058227. The reversal of 4058220 is 228504.

4058220 = 201² + 202² + ... + 272².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4058227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14199 + ... + 14481.

It is an arithmetic number, because the mean of its divisors is an integer number (238560).

Almost surely, 2^4058220 is an apocalyptic number.

It is an amenable number.

4058220 is an abundant number, since it is smaller than the sum of its proper divisors (7392660).

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

4058220 is a wasteful number, since it uses less digits than its factorization.

4058220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4058220 is about 2014.5024199539. The cubic root of 4058220 is about 159.5065526669.

It can be divided in two parts, 4058 and 220, that added together give a triangular number (4278 = T₉₂).

The spelling of 4058220 in words is "four million, fifty-eight thousand, two hundred twenty".