4222470 has 32 divisors (see below), whose sum is σ = 11582208. Its totient is φ = 965088.

The previous prime is 4222399. The next prime is 4222483. The reversal of 4222470 is 742224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9844 + ... + 10263.

It is an arithmetic number, because the mean of its divisors is an integer number (361944).

Almost surely, 2^4222470 is an apocalyptic number.

4222470 is an abundant number, since it is smaller than the sum of its proper divisors (7359738).

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

4222470 is a wasteful number, since it uses less digits than its factorization.

4222470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20124.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4222470 is about 2054.8649590667. The cubic root of 4222470 is about 161.6300811155.

Adding to 4222470 its reverse (742224), we get a palindrome (4964694).

The spelling of 4222470 in words is "four million, two hundred twenty-two thousand, four hundred seventy".