4220361 has 12 divisors (see below), whose sum is σ = 6122688. Its totient is φ = 2801304.

The previous prime is 4220357. The next prime is 4220387. The reversal of 4220361 is 1630224.

It is a happy number.

It is not a de Polignac number, because 4220361 - 2² = 4220357 is a prime.

It is a super-2 number, since 2×4220361² = 35622893940642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1476 + ... + 3258.

It is an arithmetic number, because the mean of its divisors is an integer number (510224).

Almost surely, 2^4220361 is an apocalyptic number.

It is an amenable number.

4220361 is a deficient number, since it is larger than the sum of its proper divisors (1902327).

4220361 is a wasteful number, since it uses less digits than its factorization.

4220361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4220361 is about 2054.3517225636. The cubic root of 4220361 is about 161.6031668048.

Adding to 4220361 its reverse (1630224), we get a palindrome (5850585).

The spelling of 4220361 in words is "four million, two hundred twenty thousand, three hundred sixty-one".