223225040 has 40 divisors (see below), whose sum is σ = 531076128. Its totient is φ = 87212160.

The previous prime is 223225031. The next prime is 223225061. The reversal of 223225040 is 40522322.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×223225040³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29006 + ... + 35885.

Almost surely, 2^223225040 is an apocalyptic number.

223225040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223225040 is an abundant number, since it is smaller than the sum of its proper divisors (307851088).

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

223225040 is a wasteful number, since it uses less digits than its factorization.

223225040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64947 (or 64941 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 223225040 is about 14940.7175195839. The cubic root of 223225040 is about 606.6166175889.

Adding to 223225040 its reverse (40522322), we get a palindrome (263747362).

It can be divided in two parts, 2232 and 25040, that added together give a palindrome (27272).

The spelling of 223225040 in words is "two hundred twenty-three million, two hundred twenty-five thousand, forty".