225381036 has 96 divisors (see below), whose sum is σ = 580995072. Its totient is φ = 67691520.

The previous prime is 225381007. The next prime is 225381041. The reversal of 225381036 is 630183522.

It is a super-2 number, since 2×225381036² = 101593222776866592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225380994 and 225381012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 992755 + ... + 992981.

It is an arithmetic number, because the mean of its divisors is an integer number (6052032).

Almost surely, 2^225381036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225381036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290497536).

225381036 is an abundant number, since it is smaller than the sum of its proper divisors (355614036).

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

225381036 is a wasteful number, since it uses less digits than its factorization.

225381036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 225381036 is about 15012.6958271991. The cubic root of 225381036 is about 608.5633448765.

The spelling of 225381036 in words is "two hundred twenty-five million, three hundred eighty-one thousand, thirty-six".