222771461 has 16 divisors (see below), whose sum is σ = 246734208. Its totient is φ = 199449600.

The previous prime is 222771457. The next prime is 222771463. The reversal of 222771461 is 164177222.

It is a cyclic number.

It is not a de Polignac number, because 222771461 - 2² = 222771457 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 (222771463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299456 + ... + 300198.

It is an arithmetic number, because the mean of its divisors is an integer number (15420888).

Almost surely, 2^222771461 is an apocalyptic number.

It is an amenable number.

222771461 is a deficient number, since it is larger than the sum of its proper divisors (23962747).

222771461 is a wasteful number, since it uses less digits than its factorization.

222771461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its digits is 9408, while the sum is 32.

The square root of 222771461 is about 14925.5305098345. The cubic root of 222771461 is about 606.2054702688.

The spelling of 222771461 in words is "two hundred twenty-two million, seven hundred seventy-one thousand, four hundred sixty-one".