221422053430736 has 20 divisors (see below), whose sum is σ = 430846452686052. Its totient is φ = 110235872092416.

The previous prime is 221422053430649. The next prime is 221422053430771. The reversal of 221422053430736 is 637034350224122.

221422053430736 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 2 ways, for example, as 120491016385600 + 100931037045136 = 10976840^2 + 10046444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29697160091 + ... + 29697167546.

Almost surely, 2^{221422053430736} is an apocalyptic number.

It is an amenable number.

221422053430736 is a deficient number, since it is larger than the sum of its proper divisors (209424399255316).

221422053430736 is a wasteful number, since it uses less digits than its factorization.

221422053430736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59394327878 (or 59394327872 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 44.

The spelling of 221422053430736 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, fifty-three million, four hundred thirty thousand, seven hundred thirty-six".