39222002 has 4 divisors (see below), whose sum is σ = 58833006. Its totient is φ = 19611000.

The previous prime is 39221993. The next prime is 39222011. The reversal of 39222002 is 20022293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20022293 = 271 ⋅73883.

It is an interprime number because it is at equal distance from previous prime (39221993) and next prime (39222011).

It can be written as a sum of positive squares in only one way, i.e., 24019801 + 15202201 = 4901^2 + 3899^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9805499 + ... + 9805502.

Almost surely, 2^39222002 is an apocalyptic number.

39222002 is a deficient number, since it is larger than the sum of its proper divisors (19611004).

39222002 is a wasteful number, since it uses less digits than its factorization.

39222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19611003.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 39222002 is about 6262.7471607913. The cubic root of 39222002 is about 339.7633936304.

Adding to 39222002 its reverse (20022293), we get a palindrome (59244295).

The spelling of 39222002 in words is "thirty-nine million, two hundred twenty-two thousand, two".