250720022 has 16 divisors (see below), whose sum is σ = 444627360. Its totient is φ = 103746048.

The previous prime is 250720021. The next prime is 250720039. The reversal of 250720022 is 220027052.

It is a junction number, because it is equal to n+sod(n) for n = 250719976 and 250720003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250720021) 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 7 ways as a sum of consecutive naturals, for example, 308363 + ... + 309174.

It is an arithmetic number, because the mean of its divisors is an integer number (27789210).

Almost surely, 2^250720022 is an apocalyptic number.

250720022 is a deficient number, since it is larger than the sum of its proper divisors (193907338).

250720022 is a wasteful number, since it uses less digits than its factorization.

250720022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617575.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 250720022 is about 15834.1410250130. The cubic root of 250720022 is about 630.5647258503.

Adding to 250720022 its reverse (220027052), we get a palindrome (470747074).

The spelling of 250720022 in words is "two hundred fifty million, seven hundred twenty thousand, twenty-two".