10388006722 has 4 divisors (see below), whose sum is σ = 15582010086. Its totient is φ = 5194003360.

The previous prime is 10388006677. The next prime is 10388006747. The reversal of 10388006722 is 22760088301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22760088301 = 76907 ⋅295943.

It can be written as a sum of positive squares in only one way, i.e., 10347161841 + 40844881 = 101721^2 + 6391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2597001679 + ... + 2597001682.

Almost surely, 2^10388006722 is an apocalyptic number.

10388006722 is a deficient number, since it is larger than the sum of its proper divisors (5194003364).

10388006722 is an equidigital number, since it uses as much as digits as its factorization.

10388006722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194003363.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 10388006722 in words is "ten billion, three hundred eighty-eight million, six thousand, seven hundred twenty-two".