250422140 has 12 divisors (see below), whose sum is σ = 525886536. Its totient is φ = 100168848.

The previous prime is 250422131. The next prime is 250422143. The reversal of 250422140 is 41224052.

It is a happy number.

It is a super-2 number, since 2×250422140² = 125422496404359200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 12521107 = 250422140 / (2 + 5 + 0 + 4 + 2 + 2 + 1 + 4 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250422143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6260534 + ... + 6260573.

It is an arithmetic number, because the mean of its divisors is an integer number (43823878).

Almost surely, 2^250422140 is an apocalyptic number.

250422140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250422140 is an abundant number, since it is smaller than the sum of its proper divisors (275464396).

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

250422140 is a wasteful number, since it uses less digits than its factorization.

250422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12521116 (or 12521114 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 250422140 is about 15824.7319092615. The cubic root of 250422140 is about 630.3149009418.

Adding to 250422140 its reverse (41224052), we get a palindrome (291646192).

The spelling of 250422140 in words is "two hundred fifty million, four hundred twenty-two thousand, one hundred forty".