223154240 has 168 divisors, whose sum is σ = 598871040. Its totient is φ = 78962688.

The previous prime is 223154227. The next prime is 223154263. The reversal of 223154240 is 42451322.

It is a happy number.

It is a super-3 number, since 3×223154240³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1757057 + ... + 1757183.

Almost surely, 2^223154240 is an apocalyptic number.

223154240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223154240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299435520).

223154240 is an abundant number, since it is smaller than the sum of its proper divisors (375716800).

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

223154240 is a wasteful number, since it uses less digits than its factorization.

223154240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 223154240 is about 14938.3479675632. The cubic root of 223154240 is about 606.5524775355.

The spelling of 223154240 in words is "two hundred twenty-three million, one hundred fifty-four thousand, two hundred forty".