22820159 has 4 divisors (see below), whose sum is σ = 24021240. Its totient is φ = 21619080.

The previous prime is 22820153. The next prime is 22820183. The reversal of 22820159 is 95102822.

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

It is a cyclic number.

It is not a de Polignac number, because 22820159 - 2¹⁶ = 22754623 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 (22820153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600512 + ... + 600549.

It is an arithmetic number, because the mean of its divisors is an integer number (6005310).

Almost surely, 2^22820159 is an apocalyptic number.

22820159 is a deficient number, since it is larger than the sum of its proper divisors (1201081).

22820159 is a wasteful number, since it uses less digits than its factorization.

22820159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201080.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 22820159 is about 4777.0450071148. The cubic root of 22820159 is about 283.6435346150.

The spelling of 22820159 in words is "twenty-two million, eight hundred twenty thousand, one hundred fifty-nine".