250222221641 has 4 divisors (see below), whose sum is σ = 285968253312. Its totient is φ = 214476189972.

The previous prime is 250222221637. The next prime is 250222221649. The reversal of 250222221641 is 146122222052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250222221641 - 2² = 250222221637 is a prime.

It is a super-2 number, since 2×250222221641² (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, 17873015825 + ... + 17873015838.

It is an arithmetic number, because the mean of its divisors is an integer number (71492063328).

Almost surely, 2^250222221641 is an apocalyptic number.

It is an amenable number.

250222221641 is a deficient number, since it is larger than the sum of its proper divisors (35746031671).

250222221641 is an equidigital number, since it uses as much as digits as its factorization.

250222221641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35746031670.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 250222221641 its reverse (146122222052), we get a palindrome (396344443693).

The spelling of 250222221641 in words is "two hundred fifty billion, two hundred twenty-two million, two hundred twenty-one thousand, six hundred forty-one".