225752142 has 32 divisors (see below), whose sum is σ = 562915584. Its totient is φ = 58636800.

The previous prime is 225752123. The next prime is 225752147. The reversal of 225752142 is 241257522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225752147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243859 + ... + 244782.

It is an arithmetic number, because the mean of its divisors is an integer number (17591112).

Almost surely, 2^225752142 is an apocalyptic number.

225752142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225752142 is an abundant number, since it is smaller than the sum of its proper divisors (337163442).

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

225752142 is a wasteful number, since it uses less digits than its factorization.

225752142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488664.

The product of its digits is 11200, while the sum is 30.

The square root of 225752142 is about 15025.0504824443. The cubic root of 225752142 is about 608.8971760795.

The spelling of 225752142 in words is "two hundred twenty-five million, seven hundred fifty-two thousand, one hundred forty-two".