250220000 has 60 divisors (see below), whose sum is σ = 615627936. Its totient is φ = 100080000.

The previous prime is 250219993. The next prime is 250220023. The reversal of 250220000 is 22052.

250220000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×250220000² = 125220096800000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13745 + ... + 26255.

Almost surely, 2^250220000 is an apocalyptic number.

250220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307813968).

250220000 is an abundant number, since it is smaller than the sum of its proper divisors (365407936).

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

250220000 is an equidigital number, since it uses as much as digits as its factorization.

250220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12541 (or 12518 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 250220000 is about 15818.3437818249. The cubic root of 250220000 is about 630.1452591900.

Adding to 250220000 its reverse (22052), we get a palindrome (250242052).

The spelling of 250220000 in words is "two hundred fifty million, two hundred twenty thousand".