223154940 has 48 divisors (see below), whose sum is σ = 626895360. Its totient is φ = 59311680.

The previous prime is 223154929. The next prime is 223154969. The reversal of 223154940 is 49451322.

It is a super-3 number, since 3×223154940³ (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 a junction number, because it is equal to n+sod(n) for n = 223154898 and 223154907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12681 + ... + 24639.

It is an arithmetic number, because the mean of its divisors is an integer number (13060320).

Almost surely, 2^223154940 is an apocalyptic number.

223154940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223154940 is an abundant number, since it is smaller than the sum of its proper divisors (403740420).

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

223154940 is a wasteful number, since it uses less digits than its factorization.

223154940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12282 (or 12280 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 223154940 is about 14938.3713971771. The cubic root of 223154940 is about 606.5531117549.

The spelling of 223154940 in words is "two hundred twenty-three million, one hundred fifty-four thousand, nine hundred forty".