38722275 has 36 divisors (see below), whose sum is σ = 70015608. Its totient is φ = 20455680.

The previous prime is 38722273. The next prime is 38722291. The reversal of 38722275 is 57222783.

It is a happy number.

38722275 is a `hidden beast` number, since 387 + 2 + 2 + 275 = 666.

It is not a de Polignac number, because 38722275 - 2¹ = 38722273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38722273) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24664 + ... + 26186.

It is an arithmetic number, because the mean of its divisors is an integer number (1944878).

Almost surely, 2^38722275 is an apocalyptic number.

38722275 is a deficient number, since it is larger than the sum of its proper divisors (31293333).

38722275 is a wasteful number, since it uses less digits than its factorization.

38722275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1644 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 38722275 is about 6222.7224749301. The cubic root of 38722275 is about 338.3142479683.

It can be divided in two parts, 3 and 8722275, that added together give a palindrome (8722278).

The spelling of 38722275 in words is "thirty-eight million, seven hundred twenty-two thousand, two hundred seventy-five".