225726726 has 32 divisors (see below), whose sum is σ = 475896960. Its totient is φ = 71179776.

The previous prime is 225726713. The next prime is 225726727. The reversal of 225726726 is 627627522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225726727) 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, 137925 + ... + 139551.

It is an arithmetic number, because the mean of its divisors is an integer number (14871780).

Almost surely, 2^225726726 is an apocalyptic number.

225726726 is an abundant number, since it is smaller than the sum of its proper divisors (250170234).

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

225726726 is a wasteful number, since it uses less digits than its factorization.

225726726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its digits is 141120, while the sum is 39.

The square root of 225726726 is about 15024.2046711298. The cubic root of 225726726 is about 608.8743245999.

The spelling of 225726726 in words is "two hundred twenty-five million, seven hundred twenty-six thousand, seven hundred twenty-six".