50222016 has 168 divisors, whose sum is σ = 163647120. Its totient is φ = 14598144.

The previous prime is 50221999. The next prime is 50222017. The reversal of 50222016 is 61022205.

It is a super-2 number, since 2×50222016² = 5044501782208512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 50222016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50222017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142096 + ... + 142448.

It is an arithmetic number, because the mean of its divisors is an integer number (974090).

Almost surely, 2^50222016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50222016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81823560).

50222016 is an abundant number, since it is smaller than the sum of its proper divisors (113425104).

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

50222016 is a wasteful number, since it uses less digits than its factorization.

50222016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 50222016 is about 7086.7493253254. The cubic root of 50222016 is about 368.9476207406.

The spelling of 50222016 in words is "fifty million, two hundred twenty-two thousand, sixteen".