4222261 has 8 divisors (see below), whose sum is σ = 4302144. Its totient is φ = 4143360.

The previous prime is 4222243. The next prime is 4222277. The reversal of 4222261 is 1622224.

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

It is a cyclic number.

It is not a de Polignac number, because 4222261 - 2¹³ = 4214069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222061) 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, 21781 + ... + 21973.

It is an arithmetic number, because the mean of its divisors is an integer number (537768).

Almost surely, 2^4222261 is an apocalyptic number.

It is an amenable number.

4222261 is a deficient number, since it is larger than the sum of its proper divisors (79883).

4222261 is a wasteful number, since it uses less digits than its factorization.

4222261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491.

The product of its digits is 384, while the sum is 19.

The square root of 4222261 is about 2054.8141035140. The cubic root of 4222261 is about 161.6274143317.

Adding to 4222261 its reverse (1622224), we get a palindrome (5844485).

The spelling of 4222261 in words is "four million, two hundred twenty-two thousand, two hundred sixty-one".