222229461 has 12 divisors (see below), whose sum is σ = 303364608. Its totient is φ = 144703944.

The previous prime is 222229439. The next prime is 222229463. The reversal of 222229461 is 164922222.

It is not a de Polignac number, because 222229461 - 2⁷ = 222229333 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222229463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14485 + ... + 25578.

It is an arithmetic number, because the mean of its divisors is an integer number (25280384).

Almost surely, 2^222229461 is an apocalyptic number.

It is an amenable number.

222229461 is a deficient number, since it is larger than the sum of its proper divisors (81135147).

222229461 is an equidigital number, since it uses as much as digits as its factorization.

222229461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40152 (or 40109 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 222229461 is about 14907.3626440092. The cubic root of 222229461 is about 605.7134410721.

The spelling of 222229461 in words is "two hundred twenty-two million, two hundred twenty-nine thousand, four hundred sixty-one".