250222221642 has 8 divisors (see below), whose sum is σ = 500444443296. Its totient is φ = 83407407212.

The previous prime is 250222221637. The next prime is 250222221649. The reversal of 250222221642 is 246122222052.

It is a sphenic number, since it is the product of 3 distinct primes.

250222221642 is an admirable number.

It is a super-2 number, since 2×250222221642² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (250222221649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20851851798 + ... + 20851851809.

It is an arithmetic number, because the mean of its divisors is an integer number (62555555412).

Almost surely, 2^250222221642 is an apocalyptic number.

250222221642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

250222221642 is a wasteful number, since it uses less digits than its factorization.

250222221642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41703703612.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 250222221642 its reverse (246122222052), we get a palindrome (496344443694).

The spelling of 250222221642 in words is "two hundred fifty billion, two hundred twenty-two million, two hundred twenty-one thousand, six hundred forty-two".