50420222 has 4 divisors (see below), whose sum is σ = 75630336. Its totient is φ = 25210110.

The previous prime is 50420213. The next prime is 50420267. The reversal of 50420222 is 22202405.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 50420222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605054 + ... + 12605057.

It is an arithmetic number, because the mean of its divisors is an integer number (18907584).

Almost surely, 2^50420222 is an apocalyptic number.

50420222 is a deficient number, since it is larger than the sum of its proper divisors (25210114).

50420222 is a wasteful number, since it uses less digits than its factorization.

50420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25210113.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 50420222 is about 7100.7198226659. The cubic root of 50420222 is about 369.4323460103.

Adding to 50420222 its reverse (22202405), we get a palindrome (72622627).

The spelling of 50420222 in words is "fifty million, four hundred twenty thousand, two hundred twenty-two".