225703740 has 24 divisors (see below), whose sum is σ = 631970640. Its totient is φ = 60187648.

The previous prime is 225703739. The next prime is 225703741. The reversal of 225703740 is 47307522.

It is an interprime number because it is at equal distance from previous prime (225703739) and next prime (225703741).

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 = 225703698 and 225703707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225703741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880805 + ... + 1880924.

It is an arithmetic number, because the mean of its divisors is an integer number (26332110).

Almost surely, 2^225703740 is an apocalyptic number.

225703740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225703740 is an abundant number, since it is smaller than the sum of its proper divisors (406266900).

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

225703740 is a wasteful number, since it uses less digits than its factorization.

225703740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761741 (or 3761739 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 225703740 is about 15023.4396860373. The cubic root of 225703740 is about 608.8536564516.

The spelling of 225703740 in words is "two hundred twenty-five million, seven hundred three thousand, seven hundred forty".