249725622 has 8 divisors (see below), whose sum is σ = 499451256. Its totient is φ = 83241872.

The previous prime is 249725599. The next prime is 249725633. The reversal of 249725622 is 226527942.

249725622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

249725622 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20810463 + ... + 20810474.

It is an arithmetic number, because the mean of its divisors is an integer number (62431407).

Almost surely, 2^249725622 is an apocalyptic number.

249725622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

249725622 is a wasteful number, since it uses less digits than its factorization.

249725622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41620942.

The product of its digits is 120960, while the sum is 39.

The square root of 249725622 is about 15802.7093246696. The cubic root of 249725622 is about 629.7299775054.

The spelling of 249725622 in words is "two hundred forty-nine million, seven hundred twenty-five thousand, six hundred twenty-two".