250645422 has 16 divisors (see below), whose sum is σ = 505239552. Its totient is φ = 82890360.

The previous prime is 250645411. The next prime is 250645429. The reversal of 250645422 is 224546052.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 250645422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250645429) 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, 163704 + ... + 165227.

It is an arithmetic number, because the mean of its divisors is an integer number (31577472).

Almost surely, 2^250645422 is an apocalyptic number.

250645422 is an abundant number, since it is smaller than the sum of its proper divisors (254594130).

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

250645422 is a wasteful number, since it uses less digits than its factorization.

250645422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329063.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 250645422 is about 15831.7851804526. The cubic root of 250645422 is about 630.5021795960.

The spelling of 250645422 in words is "two hundred fifty million, six hundred forty-five thousand, four hundred twenty-two".