50221670 has 8 divisors (see below), whose sum is σ = 90399024. Its totient is φ = 20088664.

The previous prime is 50221609. The next prime is 50221681. The reversal of 50221670 is 7612205.

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

It is a super-2 number, since 2×50221670² = 5044432275177800, 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 3 ways as a sum of consecutive naturals, for example, 2511074 + ... + 2511093.

It is an arithmetic number, because the mean of its divisors is an integer number (11299878).

Almost surely, 2^50221670 is an apocalyptic number.

50221670 is a deficient number, since it is larger than the sum of its proper divisors (40177354).

50221670 is a wasteful number, since it uses less digits than its factorization.

50221670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022174.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 50221670 is about 7086.7249135267. The cubic root of 50221670 is about 368.9467734617.

Adding to 50221670 its reverse (7612205), we get a palindrome (57833875).

The spelling of 50221670 in words is "fifty million, two hundred twenty-one thousand, six hundred seventy".