223139460 has 48 divisors (see below), whose sum is σ = 625464000. Its totient is φ = 59439744.

The previous prime is 223139447. The next prime is 223139461. The reversal of 223139460 is 64931322.

It is a super-3 number, since 3×223139460³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (223139461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86266 + ... + 88814.

It is an arithmetic number, because the mean of its divisors is an integer number (13030500).

Almost surely, 2^223139460 is an apocalyptic number.

223139460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223139460 is an abundant number, since it is smaller than the sum of its proper divisors (402324540).

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

223139460 is a wasteful number, since it uses less digits than its factorization.

223139460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 223139460 is about 14937.8532594212. The cubic root of 223139460 is about 606.5390861347.

The spelling of 223139460 in words is "two hundred twenty-three million, one hundred thirty-nine thousand, four hundred sixty".