4224390 has 16 divisors (see below), whose sum is σ = 10138608. Its totient is φ = 1126496.

The previous prime is 4224383. The next prime is 4224391. The reversal of 4224390 is 934224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4224390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70377 + ... + 70436.

It is an arithmetic number, because the mean of its divisors is an integer number (633663).

Almost surely, 2^4224390 is an apocalyptic number.

4224390 is an abundant number, since it is smaller than the sum of its proper divisors (5914218).

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

4224390 is a wasteful number, since it uses less digits than its factorization.

4224390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140823.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4224390 is about 2055.3320899553. The cubic root of 4224390 is about 161.6545756832.

The spelling of 4224390 in words is "four million, two hundred twenty-four thousand, three hundred ninety".