722201650 has 24 divisors (see below), whose sum is σ = 1422314100. Its totient is φ = 271887360.

The previous prime is 722201639. The next prime is 722201653. The reversal of 722201650 is 56102227.

722201650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 586269369 + 135932281 = 24213^2 + 11659^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (722201653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423975 + ... + 425674.

Almost surely, 2^722201650 is an apocalyptic number.

722201650 is a deficient number, since it is larger than the sum of its proper divisors (700112450).

722201650 is a wasteful number, since it uses less digits than its factorization.

722201650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849678 (or 849673 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 722201650 is about 26873.8097410843. The cubic root of 722201650 is about 897.1935831147.

Adding to 722201650 its reverse (56102227), we get a palindrome (778303877).

The spelling of 722201650 in words is "seven hundred twenty-two million, two hundred one thousand, six hundred fifty".