225701382 has 16 divisors (see below), whose sum is σ = 451644480. Its totient is φ = 75193512.

The previous prime is 225701381. The next prime is 225701387. The reversal of 225701382 is 283107522.

It is a super-2 number, since 2×225701382² = 101882227673419848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225701381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3469 + ... + 21527.

It is an arithmetic number, because the mean of its divisors is an integer number (28227780).

Almost surely, 2^225701382 is an apocalyptic number.

225701382 is an abundant number, since it is smaller than the sum of its proper divisors (225943098).

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

225701382 is a wasteful number, since it uses less digits than its factorization.

225701382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20147.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 225701382 is about 15023.3612084646. The cubic root of 225701382 is about 608.8515361472.

The spelling of 225701382 in words is "two hundred twenty-five million, seven hundred one thousand, three hundred eighty-two".