222353556 has 48 divisors (see below), whose sum is σ = 538487040. Its totient is φ = 71326080.

The previous prime is 222353543. The next prime is 222353587. The reversal of 222353556 is 655353222.

It is a super-2 number, since 2×222353556² = 98882207731690272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126846 + ... + 128586.

It is an arithmetic number, because the mean of its divisors is an integer number (11218480).

Almost surely, 2^222353556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222353556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269243520).

222353556 is an abundant number, since it is smaller than the sum of its proper divisors (316133484).

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

222353556 is a wasteful number, since it uses less digits than its factorization.

222353556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144 (or 2142 counting only the distinct ones).

The product of its digits is 54000, while the sum is 33.

The square root of 222353556 is about 14911.5242681625. The cubic root of 222353556 is about 605.8261654341.

The spelling of 222353556 in words is "two hundred twenty-two million, three hundred fifty-three thousand, five hundred fifty-six".