22820071 has 8 divisors (see below), whose sum is σ = 24634080. Its totient is φ = 21074592.

The previous prime is 22820053. The next prime is 22820081. The reversal of 22820071 is 17002822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22820071 - 2¹³ = 22811879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22820081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16440 + ... + 17773.

It is an arithmetic number, because the mean of its divisors is an integer number (3079260).

Almost surely, 2^22820071 is an apocalyptic number.

22820071 is a deficient number, since it is larger than the sum of its proper divisors (1814009).

22820071 is a wasteful number, since it uses less digits than its factorization.

22820071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34265.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 22820071 is about 4777.0357963909. The cubic root of 22820071 is about 283.6431700154.

Adding to 22820071 its reverse (17002822), we get a palindrome (39822893).

The spelling of 22820071 in words is "twenty-two million, eight hundred twenty thousand, seventy-one".