250022145 has 32 divisors (see below), whose sum is σ = 428706432. Its totient is φ = 123978752.

The previous prime is 250022119. The next prime is 250022173. The reversal of 250022145 is 541220052.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 250022145 - 2¹⁴ = 250005761 is a prime.

It is a super-2 number, since 2×250022145² = 125022145980802050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15259 + ... + 27071.

It is an arithmetic number, because the mean of its divisors is an integer number (13397076).

Almost surely, 2^250022145 is an apocalyptic number.

It is an amenable number.

250022145 is a deficient number, since it is larger than the sum of its proper divisors (178684287).

250022145 is a wasteful number, since it uses less digits than its factorization.

250022145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11921.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 250022145 is about 15812.0885717226. The cubic root of 250022145 is about 629.9791250327.

Adding to 250022145 its reverse (541220052), we get a palindrome (791242197).

The spelling of 250022145 in words is "two hundred fifty million, twenty-two thousand, one hundred forty-five".