4228522 has 8 divisors (see below), whose sum is σ = 6378372. Its totient is φ = 2102400.

The previous prime is 4228513. The next prime is 4228531. The reversal of 4228522 is 2258224.

It is an interprime number because it is at equal distance from previous prime (4228513) and next prime (4228531).

It can be written as a sum of positive squares in 2 ways, for example, as 3767481 + 461041 = 1941^2 + 679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5479 + ... + 6202.

Almost surely, 2^4228522 is an apocalyptic number.

4228522 is a deficient number, since it is larger than the sum of its proper divisors (2149850).

4228522 is a wasteful number, since it uses less digits than its factorization.

4228522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11864.

The product of its digits is 2560, while the sum is 25.

The square root of 4228522 is about 2056.3370346322. The cubic root of 4228522 is about 161.7072648716.

The spelling of 4228522 in words is "four million, two hundred twenty-eight thousand, five hundred twenty-two".