222229460 has 24 divisors (see below), whose sum is σ = 466985736. Its totient is φ = 88833920.

The previous prime is 222229439. The next prime is 222229463. The reversal of 222229460 is 64922222.

It can be written as a sum of positive squares in 4 ways, for example, as 138250564 + 83978896 = 11758^2 + 9164^2 .

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41750 + ... + 46770.

It is an arithmetic number, because the mean of its divisors is an integer number (19457739).

Almost surely, 2^222229460 is an apocalyptic number.

222229460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222229460 is an abundant number, since it is smaller than the sum of its proper divisors (244756276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222229460 is a wasteful number, since it uses less digits than its factorization.

222229460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243 (or 7241 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 222229460 is about 14907.3626104687. The cubic root of 222229460 is about 605.7134401635.

The spelling of 222229460 in words is "two hundred twenty-two million, two hundred twenty-nine thousand, four hundred sixty".