222466829 has 16 divisors (see below), whose sum is σ = 248292912. Its totient is φ = 197987328.

The previous prime is 222466823. The next prime is 222466837. The reversal of 222466829 is 928664222.

It can be written as a sum of positive squares in 8 ways, for example, as 24304900 + 198161929 = 4930^2 + 14077^2 .

It is a cyclic number.

It is not a de Polignac number, because 222466829 - 2⁴ = 222466813 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 (222466823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52307 + ... + 56399.

It is an arithmetic number, because the mean of its divisors is an integer number (15518307).

Almost surely, 2^222466829 is an apocalyptic number.

It is an amenable number.

222466829 is a deficient number, since it is larger than the sum of its proper divisors (25826083).

222466829 is a wasteful number, since it uses less digits than its factorization.

222466829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256.

The product of its digits is 165888, while the sum is 41.

The square root of 222466829 is about 14915.3219542858. The cubic root of 222466829 is about 605.9290227916.

The spelling of 222466829 in words is "two hundred twenty-two million, four hundred sixty-six thousand, eight hundred twenty-nine".