223291340 has 12 divisors (see below), whose sum is σ = 468911856. Its totient is φ = 89316528.

The previous prime is 223291319. The next prime is 223291349. The reversal of 223291340 is 43192322.

It is a super-3 number, since 3×223291340³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223291349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582264 + ... + 5582303.

It is an arithmetic number, because the mean of its divisors is an integer number (39075988).

Almost surely, 2^223291340 is an apocalyptic number.

223291340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223291340 is an abundant number, since it is smaller than the sum of its proper divisors (245620516).

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

223291340 is a wasteful number, since it uses less digits than its factorization.

223291340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164576 (or 11164574 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 223291340 is about 14942.9361238011. The cubic root of 223291340 is about 606.6766686486.

The spelling of 223291340 in words is "two hundred twenty-three million, two hundred ninety-one thousand, three hundred forty".