225274780 has 12 divisors (see below), whose sum is σ = 473077080. Its totient is φ = 90109904.

The previous prime is 225274771. The next prime is 225274781. The reversal of 225274780 is 87472522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225274781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5631850 + ... + 5631889.

It is an arithmetic number, because the mean of its divisors is an integer number (39423090).

Almost surely, 2^225274780 is an apocalyptic number.

225274780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225274780 is an abundant number, since it is smaller than the sum of its proper divisors (247802300).

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

225274780 is a wasteful number, since it uses less digits than its factorization.

225274780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11263748 (or 11263746 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 225274780 is about 15009.1565385934. The cubic root of 225274780 is about 608.4676940142.

The spelling of 225274780 in words is "two hundred twenty-five million, two hundred seventy-four thousand, seven hundred eighty".