7222143650 has 12 divisors (see below), whose sum is σ = 13433187282. Its totient is φ = 2888857440.

The previous prime is 7222143631. The next prime is 7222143653. The reversal of 7222143650 is 563412227.

It can be written as a sum of positive squares in 3 ways, for example, as 3093695641 + 4128448009 = 55621^2 + 64253^2 .

It is not an unprimeable number, because it can be changed into a prime (7222143653) 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 5 ways as a sum of consecutive naturals, for example, 72221387 + ... + 72221486.

Almost surely, 2^7222143650 is an apocalyptic number.

7222143650 is a deficient number, since it is larger than the sum of its proper divisors (6211043632).

7222143650 is a wasteful number, since it uses less digits than its factorization.

7222143650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144442885 (or 144442880 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 7222143650 is about 84983.1962802059. The cubic root of 7222143650 is about 1932.9563228062.

Adding to 7222143650 its reverse (563412227), we get a palindrome (7785555877).

The spelling of 7222143650 in words is "seven billion, two hundred twenty-two million, one hundred forty-three thousand, six hundred fifty".