50002272 has 120 divisors (see below), whose sum is σ = 149288832. Its totient is φ = 16416000.

The previous prime is 50002259. The next prime is 50002273. The reversal of 50002272 is 27220005.

It is a happy number.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50002273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 261697 + ... + 261887.

Almost surely, 2^50002272 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 50002272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74644416).

50002272 is an abundant number, since it is smaller than the sum of its proper divisors (99286560).

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

50002272 is a wasteful number, since it uses less digits than its factorization.

50002272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 50002272 is about 7071.2284647012. The cubic root of 50002272 is about 368.4087298592.

Adding to 50002272 its reverse (27220005), we get a palindrome (77222277).

The spelling of 50002272 in words is "fifty million, two thousand, two hundred seventy-two".