650239722 has 144 divisors (see below), whose sum is σ = 1626809184. Its totient is φ = 187387200.

The previous prime is 650239697. The next prime is 650239727. The reversal of 650239722 is 227932056.

It is not an unprimeable number, because it can be changed into a prime (650239727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4963597 + ... + 4963727.

It is an arithmetic number, because the mean of its divisors is an integer number (11297286).

Almost surely, 2^650239722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650239722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (813404592).

650239722 is an abundant number, since it is smaller than the sum of its proper divisors (976569462).

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

650239722 is a wasteful number, since it uses less digits than its factorization.

650239722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 650239722 is about 25499.7984697919. The cubic root of 650239722 is about 866.3455828014.

The spelling of 650239722 in words is "six hundred fifty million, two hundred thirty-nine thousand, seven hundred twenty-two".