3922225729738 has 4 divisors (see below), whose sum is σ = 5883338594610. Its totient is φ = 1961112864868.

The previous prime is 3922225729733. The next prime is 3922225729739. The reversal of 3922225729738 is 8379275222293.

3922225729738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 3908066395689 + 14159334049 = 1976883^2 + 118993^2 .

It is not an unprimeable number, because it can be changed into a prime (3922225729733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980556432433 + ... + 980556432436.

Almost surely, 2^{3922225729738} is an apocalyptic number.

3922225729738 is a deficient number, since it is larger than the sum of its proper divisors (1961112864872).

3922225729738 is a wasteful number, since it uses less digits than its factorization.

3922225729738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961112864871.

The product of its digits is 45722880, while the sum is 61.

The spelling of 3922225729738 in words is "three trillion, nine hundred twenty-two billion, two hundred twenty-five million, seven hundred twenty-nine thousand, seven hundred thirty-eight".