4022226 has 24 divisors (see below), whose sum is σ = 9385740. Its totient is φ = 1237536.

The previous prime is 4022203. The next prime is 4022257. The reversal of 4022226 is 6222204.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4004001 + 18225 = 2001^2 + 135^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 4022199 and 4022208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8361 + ... + 8828.

Almost surely, 2^4022226 is an apocalyptic number.

4022226 is an abundant number, since it is smaller than the sum of its proper divisors (5363514).

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

4022226 is a wasteful number, since it uses less digits than its factorization.

4022226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17210 (or 17207 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4022226 is about 2005.5488026972. The cubic root of 4022226 is about 159.0335754418.

It can be divided in two parts, 402 and 2226, that added together give a triangular number (2628 = T₇₂).

The spelling of 4022226 in words is "four million, twenty-two thousand, two hundred twenty-six".