650157222 has 64 divisors (see below), whose sum is σ = 1531192320. Its totient is φ = 181440000.

The previous prime is 650157191. The next prime is 650157223. The reversal of 650157222 is 222751056.

It is a self number, because there is not a number n which added to its sum of digits gives 650157222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650157223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643854 + ... + 644862.

It is an arithmetic number, because the mean of its divisors is an integer number (23924880).

Almost surely, 2^650157222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650157222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765596160).

650157222 is an abundant number, since it is smaller than the sum of its proper divisors (881035098).

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

650157222 is a wasteful number, since it uses less digits than its factorization.

650157222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 650157222 is about 25498.1807586345. The cubic root of 650157222 is about 866.3089416821.

The spelling of 650157222 in words is "six hundred fifty million, one hundred fifty-seven thousand, two hundred twenty-two".