38942225822722 has 4 divisors (see below), whose sum is σ = 58413338734086. Its totient is φ = 19471112911360.

The previous prime is 38942225822707. The next prime is 38942225822729. The reversal of 38942225822722 is 22722852224983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37699243880841 + 1242981941881 = 6139971^2 + 1114891^2 .

It is a super-2 number, since 2×38942225822722² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38942225822729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9735556455679 + ... + 9735556455682.

Almost surely, 2^{38942225822722} is an apocalyptic number.

38942225822722 is a deficient number, since it is larger than the sum of its proper divisors (19471112911364).

38942225822722 is a wasteful number, since it uses less digits than its factorization.

38942225822722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19471112911363.

The product of its digits is 30965760, while the sum is 58.

The spelling of 38942225822722 in words is "thirty-eight trillion, nine hundred forty-two billion, two hundred twenty-five million, eight hundred twenty-two thousand, seven hundred twenty-two".