250622213 has 16 divisors (see below), whose sum is σ = 260922816. Its totient is φ = 240589440.

The previous prime is 250622209. The next prime is 250622227. The reversal of 250622213 is 312226052.

It is a cyclic number.

It is not a de Polignac number, because 250622213 - 2² = 250622209 is a prime.

It is a super-2 number, since 2×250622213² = 125622987298034738, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250622233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816206 + ... + 816512.

It is an arithmetic number, because the mean of its divisors is an integer number (16307676).

Almost surely, 2^250622213 is an apocalyptic number.

It is an amenable number.

250622213 is a deficient number, since it is larger than the sum of its proper divisors (10300603).

250622213 is a wasteful number, since it uses less digits than its factorization.

250622213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 250622213 is about 15831.0521760242. The cubic root of 250622213 is about 630.4827181370.

Adding to 250622213 its reverse (312226052), we get a palindrome (562848265).

The spelling of 250622213 in words is "two hundred fifty million, six hundred twenty-two thousand, two hundred thirteen".